Home / 26,220.85-36,185.20-14,284.22

Finding the Fourth Proportional to 26,220.85, 36,185.20 and 14,284.22

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Solution

The fourth proportional to 26,220.85, 36,185.20 and 14,284.22 is: 19,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.85 : 36,185.20 = 14,284.22 : x
  2. Step 2: Convert to fraction form
    26,220.85/36,185.20 = 14,284.22/x
  3. Step 3: Cross multiply
    26,220.85x = 36,185.20 × 14,284.22
  4. Step 4: Simplify right side
    26,220.85x = 516,877,140.91
  5. Step 5: Solve for x
    x = 516,877,140.91/26,220.85
  6. Step 6: Final answer
    x = 19,712.45

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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.