Home / 15,156.68-22,720.92-7,744.77

Finding the Fourth Proportional to 15,156.68, 22,720.92 and 7,744.77

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Solution

The fourth proportional to 15,156.68, 22,720.92 and 7,744.77 is: 11,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.68 : 22,720.92 = 7,744.77 : x
  2. Step 2: Convert to fraction form
    15,156.68/22,720.92 = 7,744.77/x
  3. Step 3: Cross multiply
    15,156.68x = 22,720.92 × 7,744.77
  4. Step 4: Simplify right side
    15,156.68x = 175,968,299.59
  5. Step 5: Solve for x
    x = 175,968,299.59/15,156.68
  6. Step 6: Final answer
    x = 11,609.95

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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.