Home / 18,549.92-25,590.28-16,427.60

Finding the Fourth Proportional to 18,549.92, 25,590.28 and 16,427.60

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Solution

The fourth proportional to 18,549.92, 25,590.28 and 16,427.60 is: 22,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.92 : 25,590.28 = 16,427.60 : x
  2. Step 2: Convert to fraction form
    18,549.92/25,590.28 = 16,427.60/x
  3. Step 3: Cross multiply
    18,549.92x = 25,590.28 × 16,427.60
  4. Step 4: Simplify right side
    18,549.92x = 420,386,883.73
  5. Step 5: Solve for x
    x = 420,386,883.73/18,549.92
  6. Step 6: Final answer
    x = 22,662.46

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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.