Home / 31,715.70-47,508.96-15,025.14

Finding the Fourth Proportional to 31,715.70, 47,508.96 and 15,025.14

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Solution

The fourth proportional to 31,715.70, 47,508.96 and 15,025.14 is: 22,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.70 : 47,508.96 = 15,025.14 : x
  2. Step 2: Convert to fraction form
    31,715.70/47,508.96 = 15,025.14/x
  3. Step 3: Cross multiply
    31,715.70x = 47,508.96 × 15,025.14
  4. Step 4: Simplify right side
    31,715.70x = 713,828,775.25
  5. Step 5: Solve for x
    x = 713,828,775.25/31,715.70
  6. Step 6: Final answer
    x = 22,507.11

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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.