Home / 18,442.57-25,461.25-12,173.17

Finding the Fourth Proportional to 18,442.57, 25,461.25 and 12,173.17

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Solution

The fourth proportional to 18,442.57, 25,461.25 and 12,173.17 is: 16,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.57 : 25,461.25 = 12,173.17 : x
  2. Step 2: Convert to fraction form
    18,442.57/25,461.25 = 12,173.17/x
  3. Step 3: Cross multiply
    18,442.57x = 25,461.25 × 12,173.17
  4. Step 4: Simplify right side
    18,442.57x = 309,944,124.66
  5. Step 5: Solve for x
    x = 309,944,124.66/18,442.57
  6. Step 6: Final answer
    x = 16,805.91

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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.