Home / 15,930.10-23,895.15-15,541.30

Finding the Fourth Proportional to 15,930.10, 23,895.15 and 15,541.30

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Solution

The fourth proportional to 15,930.10, 23,895.15 and 15,541.30 is: 23,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.10 : 23,895.15 = 15,541.30 : x
  2. Step 2: Convert to fraction form
    15,930.10/23,895.15 = 15,541.30/x
  3. Step 3: Cross multiply
    15,930.10x = 23,895.15 × 15,541.30
  4. Step 4: Simplify right side
    15,930.10x = 371,361,694.70
  5. Step 5: Solve for x
    x = 371,361,694.70/15,930.10
  6. Step 6: Final answer
    x = 23,311.95

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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.