Home / 15,322.10-22,983.15-5,461.70

Finding the Fourth Proportional to 15,322.10, 22,983.15 and 5,461.70

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Solution

The fourth proportional to 15,322.10, 22,983.15 and 5,461.70 is: 8,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.10 : 22,983.15 = 5,461.70 : x
  2. Step 2: Convert to fraction form
    15,322.10/22,983.15 = 5,461.70/x
  3. Step 3: Cross multiply
    15,322.10x = 22,983.15 × 5,461.70
  4. Step 4: Simplify right side
    15,322.10x = 125,527,070.36
  5. Step 5: Solve for x
    x = 125,527,070.36/15,322.10
  6. Step 6: Final answer
    x = 8,192.55

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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.