Home / 18,425.73-25,427.60-10,468.40

Finding the Fourth Proportional to 18,425.73, 25,427.60 and 10,468.40

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Solution

The fourth proportional to 18,425.73, 25,427.60 and 10,468.40 is: 14,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.73 : 25,427.60 = 10,468.40 : x
  2. Step 2: Convert to fraction form
    18,425.73/25,427.60 = 10,468.40/x
  3. Step 3: Cross multiply
    18,425.73x = 25,427.60 × 10,468.40
  4. Step 4: Simplify right side
    18,425.73x = 266,186,147.62
  5. Step 5: Solve for x
    x = 266,186,147.62/18,425.73
  6. Step 6: Final answer
    x = 14,446.43

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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.