Home / 15,402.20-23,103.09-3,715.32

Finding the Fourth Proportional to 15,402.20, 23,103.09 and 3,715.32

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Solution

The fourth proportional to 15,402.20, 23,103.09 and 3,715.32 is: 5,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.20 : 23,103.09 = 3,715.32 : x
  2. Step 2: Convert to fraction form
    15,402.20/23,103.09 = 3,715.32/x
  3. Step 3: Cross multiply
    15,402.20x = 23,103.09 × 3,715.32
  4. Step 4: Simplify right side
    15,402.20x = 85,835,372.34
  5. Step 5: Solve for x
    x = 85,835,372.34/15,402.20
  6. Step 6: Final answer
    x = 5,572.93

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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.