Home / 18,217.69-25,151.34-11,941.00

Finding the Fourth Proportional to 18,217.69, 25,151.34 and 11,941.00

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Solution

The fourth proportional to 18,217.69, 25,151.34 and 11,941.00 is: 16,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.69 : 25,151.34 = 11,941.00 : x
  2. Step 2: Convert to fraction form
    18,217.69/25,151.34 = 11,941.00/x
  3. Step 3: Cross multiply
    18,217.69x = 25,151.34 × 11,941.00
  4. Step 4: Simplify right side
    18,217.69x = 300,332,132.84
  5. Step 5: Solve for x
    x = 300,332,132.84/18,217.69
  6. Step 6: Final answer
    x = 16,485.74

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Half scale
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Double scale
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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.