Home / 19,432.18-29,148.27-5,581.18

Finding the Fourth Proportional to 19,432.18, 29,148.27 and 5,581.18

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Solution

The fourth proportional to 19,432.18, 29,148.27 and 5,581.18 is: 8,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.18 : 29,148.27 = 5,581.18 : x
  2. Step 2: Convert to fraction form
    19,432.18/29,148.27 = 5,581.18/x
  3. Step 3: Cross multiply
    19,432.18x = 29,148.27 × 5,581.18
  4. Step 4: Simplify right side
    19,432.18x = 162,681,741.56
  5. Step 5: Solve for x
    x = 162,681,741.56/19,432.18
  6. Step 6: Final answer
    x = 8,371.77

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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.