Home / 15,134.11-22,701.13-7,212.62

Finding the Fourth Proportional to 15,134.11, 22,701.13 and 7,212.62

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Solution

The fourth proportional to 15,134.11, 22,701.13 and 7,212.62 is: 10,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.11 : 22,701.13 = 7,212.62 : x
  2. Step 2: Convert to fraction form
    15,134.11/22,701.13 = 7,212.62/x
  3. Step 3: Cross multiply
    15,134.11x = 22,701.13 × 7,212.62
  4. Step 4: Simplify right side
    15,134.11x = 163,734,492.72
  5. Step 5: Solve for x
    x = 163,734,492.72/15,134.11
  6. Step 6: Final answer
    x = 10,818.90

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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.