Home / 18,737.24-25,862.92-10,785.06

Finding the Fourth Proportional to 18,737.24, 25,862.92 and 10,785.06

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Solution

The fourth proportional to 18,737.24, 25,862.92 and 10,785.06 is: 14,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.24 : 25,862.92 = 10,785.06 : x
  2. Step 2: Convert to fraction form
    18,737.24/25,862.92 = 10,785.06/x
  3. Step 3: Cross multiply
    18,737.24x = 25,862.92 × 10,785.06
  4. Step 4: Simplify right side
    18,737.24x = 278,933,143.98
  5. Step 5: Solve for x
    x = 278,933,143.98/18,737.24
  6. Step 6: Final answer
    x = 14,886.57

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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.