Home / 18,614.97-25,689.78-10,657.04

Finding the Fourth Proportional to 18,614.97, 25,689.78 and 10,657.04

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Solution

The fourth proportional to 18,614.97, 25,689.78 and 10,657.04 is: 14,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.97 : 25,689.78 = 10,657.04 : x
  2. Step 2: Convert to fraction form
    18,614.97/25,689.78 = 10,657.04/x
  3. Step 3: Cross multiply
    18,614.97x = 25,689.78 × 10,657.04
  4. Step 4: Simplify right side
    18,614.97x = 273,776,884.60
  5. Step 5: Solve for x
    x = 273,776,884.60/18,614.97
  6. Step 6: Final answer
    x = 14,707.35

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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.