Home / 18,455.40-25,468.50-10,497.96

Finding the Fourth Proportional to 18,455.40, 25,468.50 and 10,497.96

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Solution

The fourth proportional to 18,455.40, 25,468.50 and 10,497.96 is: 14,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.40 : 25,468.50 = 10,497.96 : x
  2. Step 2: Convert to fraction form
    18,455.40/25,468.50 = 10,497.96/x
  3. Step 3: Cross multiply
    18,455.40x = 25,468.50 × 10,497.96
  4. Step 4: Simplify right side
    18,455.40x = 267,367,294.26
  5. Step 5: Solve for x
    x = 267,367,294.26/18,455.40
  6. Step 6: Final answer
    x = 14,487.21

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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.