Home / 17,565.20-26,352.30-10,156.40

Finding the Fourth Proportional to 17,565.20, 26,352.30 and 10,156.40

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Solution

The fourth proportional to 17,565.20, 26,352.30 and 10,156.40 is: 15,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,565.20 : 26,352.30 = 10,156.40 : x
  2. Step 2: Convert to fraction form
    17,565.20/26,352.30 = 10,156.40/x
  3. Step 3: Cross multiply
    17,565.20x = 26,352.30 × 10,156.40
  4. Step 4: Simplify right side
    17,565.20x = 267,644,499.72
  5. Step 5: Solve for x
    x = 267,644,499.72/17,565.20
  6. Step 6: Final answer
    x = 15,237.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.