Home / 18,349.47-25,322.13-9,965.97

Finding the Fourth Proportional to 18,349.47, 25,322.13 and 9,965.97

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Solution

The fourth proportional to 18,349.47, 25,322.13 and 9,965.97 is: 13,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.47 : 25,322.13 = 9,965.97 : x
  2. Step 2: Convert to fraction form
    18,349.47/25,322.13 = 9,965.97/x
  3. Step 3: Cross multiply
    18,349.47x = 25,322.13 × 9,965.97
  4. Step 4: Simplify right side
    18,349.47x = 252,359,587.92
  5. Step 5: Solve for x
    x = 252,359,587.92/18,349.47
  6. Step 6: Final answer
    x = 13,752.96

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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.