Home / 15,178.18-22,753.49-5,312.08

Finding the Fourth Proportional to 15,178.18, 22,753.49 and 5,312.08

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Solution

The fourth proportional to 15,178.18, 22,753.49 and 5,312.08 is: 7,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.18 : 22,753.49 = 5,312.08 : x
  2. Step 2: Convert to fraction form
    15,178.18/22,753.49 = 5,312.08/x
  3. Step 3: Cross multiply
    15,178.18x = 22,753.49 × 5,312.08
  4. Step 4: Simplify right side
    15,178.18x = 120,868,391.73
  5. Step 5: Solve for x
    x = 120,868,391.73/15,178.18
  6. Step 6: Final answer
    x = 7,963.30

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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.