Home / 19,294.11-28,957.46-7,615.53

Finding the Fourth Proportional to 19,294.11, 28,957.46 and 7,615.53

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Solution

The fourth proportional to 19,294.11, 28,957.46 and 7,615.53 is: 11,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.11 : 28,957.46 = 7,615.53 : x
  2. Step 2: Convert to fraction form
    19,294.11/28,957.46 = 7,615.53/x
  3. Step 3: Cross multiply
    19,294.11x = 28,957.46 × 7,615.53
  4. Step 4: Simplify right side
    19,294.11x = 220,526,367.28
  5. Step 5: Solve for x
    x = 220,526,367.28/19,294.11
  6. Step 6: Final answer
    x = 11,429.72

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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.