Home / 17,618.50-24,313.36-9,660.71

Finding the Fourth Proportional to 17,618.50, 24,313.36 and 9,660.71

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Solution

The fourth proportional to 17,618.50, 24,313.36 and 9,660.71 is: 13,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.50 : 24,313.36 = 9,660.71 : x
  2. Step 2: Convert to fraction form
    17,618.50/24,313.36 = 9,660.71/x
  3. Step 3: Cross multiply
    17,618.50x = 24,313.36 × 9,660.71
  4. Step 4: Simplify right side
    17,618.50x = 234,884,320.09
  5. Step 5: Solve for x
    x = 234,884,320.09/17,618.50
  6. Step 6: Final answer
    x = 13,331.69

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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.