Home / 19,681.56-29,527.20-16,211.52

Finding the Fourth Proportional to 19,681.56, 29,527.20 and 16,211.52

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Solution

The fourth proportional to 19,681.56, 29,527.20 and 16,211.52 is: 24,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681.56 : 29,527.20 = 16,211.52 : x
  2. Step 2: Convert to fraction form
    19,681.56/29,527.20 = 16,211.52/x
  3. Step 3: Cross multiply
    19,681.56x = 29,527.20 × 16,211.52
  4. Step 4: Simplify right side
    19,681.56x = 478,680,793.34
  5. Step 5: Solve for x
    x = 478,680,793.34/19,681.56
  6. Step 6: Final answer
    x = 24,321.28

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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.