Home / 26,220.65-36,185.37-14,285.10

Finding the Fourth Proportional to 26,220.65, 36,185.37 and 14,285.10

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Solution

The fourth proportional to 26,220.65, 36,185.37 and 14,285.10 is: 19,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.65 : 36,185.37 = 14,285.10 : x
  2. Step 2: Convert to fraction form
    26,220.65/36,185.37 = 14,285.10/x
  3. Step 3: Cross multiply
    26,220.65x = 36,185.37 × 14,285.10
  4. Step 4: Simplify right side
    26,220.65x = 516,911,628.99
  5. Step 5: Solve for x
    x = 516,911,628.99/26,220.65
  6. Step 6: Final answer
    x = 19,713.91

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Half scale
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Double scale
Find fourth proportional to 26,221.65, 36,186.75 and 14,286.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.