Home / 19,715.18-27,205.76-10,760.87

Finding the Fourth Proportional to 19,715.18, 27,205.76 and 10,760.87

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Solution

The fourth proportional to 19,715.18, 27,205.76 and 10,760.87 is: 14,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.18 : 27,205.76 = 10,760.87 : x
  2. Step 2: Convert to fraction form
    19,715.18/27,205.76 = 10,760.87/x
  3. Step 3: Cross multiply
    19,715.18x = 27,205.76 × 10,760.87
  4. Step 4: Simplify right side
    19,715.18x = 292,757,456.78
  5. Step 5: Solve for x
    x = 292,757,456.78/19,715.18
  6. Step 6: Final answer
    x = 14,849.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.