Home / 13,432.32-20,142.76-4,663.24

Finding the Fourth Proportional to 13,432.32, 20,142.76 and 4,663.24

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Solution

The fourth proportional to 13,432.32, 20,142.76 and 4,663.24 is: 6,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.32 : 20,142.76 = 4,663.24 : x
  2. Step 2: Convert to fraction form
    13,432.32/20,142.76 = 4,663.24/x
  3. Step 3: Cross multiply
    13,432.32x = 20,142.76 × 4,663.24
  4. Step 4: Simplify right side
    13,432.32x = 93,930,524.14
  5. Step 5: Solve for x
    x = 93,930,524.14/13,432.32
  6. Step 6: Final answer
    x = 6,992.87

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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.