Home / 17,465.72-24,127.20-15,576.70

Finding the Fourth Proportional to 17,465.72, 24,127.20 and 15,576.70

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Solution

The fourth proportional to 17,465.72, 24,127.20 and 15,576.70 is: 21,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,465.72 : 24,127.20 = 15,576.70 : x
  2. Step 2: Convert to fraction form
    17,465.72/24,127.20 = 15,576.70/x
  3. Step 3: Cross multiply
    17,465.72x = 24,127.20 × 15,576.70
  4. Step 4: Simplify right side
    17,465.72x = 375,822,095.92
  5. Step 5: Solve for x
    x = 375,822,095.92/17,465.72
  6. Step 6: Final answer
    x = 21,517.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.