Home / 19,614.27-29,412.16-7,125.49

Finding the Fourth Proportional to 19,614.27, 29,412.16 and 7,125.49

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Solution

The fourth proportional to 19,614.27, 29,412.16 and 7,125.49 is: 10,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.27 : 29,412.16 = 7,125.49 : x
  2. Step 2: Convert to fraction form
    19,614.27/29,412.16 = 7,125.49/x
  3. Step 3: Cross multiply
    19,614.27x = 29,412.16 × 7,125.49
  4. Step 4: Simplify right side
    19,614.27x = 209,575,869.27
  5. Step 5: Solve for x
    x = 209,575,869.27/19,614.27
  6. Step 6: Final answer
    x = 10,684.87

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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.