Home / 18,456.40-25,468.32-10,496.80

Finding the Fourth Proportional to 18,456.40, 25,468.32 and 10,496.80

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Solution

The fourth proportional to 18,456.40, 25,468.32 and 10,496.80 is: 14,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.40 : 25,468.32 = 10,496.80 : x
  2. Step 2: Convert to fraction form
    18,456.40/25,468.32 = 10,496.80/x
  3. Step 3: Cross multiply
    18,456.40x = 25,468.32 × 10,496.80
  4. Step 4: Simplify right side
    18,456.40x = 267,335,861.38
  5. Step 5: Solve for x
    x = 267,335,861.38/18,456.40
  6. Step 6: Final answer
    x = 14,484.72

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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.