Home / 19,934.40-29,849.76-10,655.04

Finding the Fourth Proportional to 19,934.40, 29,849.76 and 10,655.04

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Solution

The fourth proportional to 19,934.40, 29,849.76 and 10,655.04 is: 15,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.40 : 29,849.76 = 10,655.04 : x
  2. Step 2: Convert to fraction form
    19,934.40/29,849.76 = 10,655.04/x
  3. Step 3: Cross multiply
    19,934.40x = 29,849.76 × 10,655.04
  4. Step 4: Simplify right side
    19,934.40x = 318,050,386.79
  5. Step 5: Solve for x
    x = 318,050,386.79/19,934.40
  6. Step 6: Final answer
    x = 15,954.85

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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.