Home / 13,748.13-20,624.94-5,432.06

Finding the Fourth Proportional to 13,748.13, 20,624.94 and 5,432.06

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Solution

The fourth proportional to 13,748.13, 20,624.94 and 5,432.06 is: 8,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.13 : 20,624.94 = 5,432.06 : x
  2. Step 2: Convert to fraction form
    13,748.13/20,624.94 = 5,432.06/x
  3. Step 3: Cross multiply
    13,748.13x = 20,624.94 × 5,432.06
  4. Step 4: Simplify right side
    13,748.13x = 112,035,781.29
  5. Step 5: Solve for x
    x = 112,035,781.29/13,748.13
  6. Step 6: Final answer
    x = 8,149.17

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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.