Home / 25,807.10-38,711.46-9,166.87

Finding the Fourth Proportional to 25,807.10, 38,711.46 and 9,166.87

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Solution

The fourth proportional to 25,807.10, 38,711.46 and 9,166.87 is: 13,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,807.10 : 38,711.46 = 9,166.87 : x
  2. Step 2: Convert to fraction form
    25,807.10/38,711.46 = 9,166.87/x
  3. Step 3: Cross multiply
    25,807.10x = 38,711.46 × 9,166.87
  4. Step 4: Simplify right side
    25,807.10x = 354,862,727.77
  5. Step 5: Solve for x
    x = 354,862,727.77/25,807.10
  6. Step 6: Final answer
    x = 13,750.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.