Home / 19,543.28-29,308.70-6,392.12

Finding the Fourth Proportional to 19,543.28, 29,308.70 and 6,392.12

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Solution

The fourth proportional to 19,543.28, 29,308.70 and 6,392.12 is: 9,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.28 : 29,308.70 = 6,392.12 : x
  2. Step 2: Convert to fraction form
    19,543.28/29,308.70 = 6,392.12/x
  3. Step 3: Cross multiply
    19,543.28x = 29,308.70 × 6,392.12
  4. Step 4: Simplify right side
    19,543.28x = 187,344,727.44
  5. Step 5: Solve for x
    x = 187,344,727.44/19,543.28
  6. Step 6: Final answer
    x = 9,586.15

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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.