Home / 15,149.04-22,719.84-4,760.76

Finding the Fourth Proportional to 15,149.04, 22,719.84 and 4,760.76

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Solution

The fourth proportional to 15,149.04, 22,719.84 and 4,760.76 is: 7,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.04 : 22,719.84 = 4,760.76 : x
  2. Step 2: Convert to fraction form
    15,149.04/22,719.84 = 4,760.76/x
  3. Step 3: Cross multiply
    15,149.04x = 22,719.84 × 4,760.76
  4. Step 4: Simplify right side
    15,149.04x = 108,163,705.48
  5. Step 5: Solve for x
    x = 108,163,705.48/15,149.04
  6. Step 6: Final answer
    x = 7,139.97

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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.