Home / 25,345.78-38,023.24-8,701.52

Finding the Fourth Proportional to 25,345.78, 38,023.24 and 8,701.52

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Solution

The fourth proportional to 25,345.78, 38,023.24 and 8,701.52 is: 13,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.78 : 38,023.24 = 8,701.52 : x
  2. Step 2: Convert to fraction form
    25,345.78/38,023.24 = 8,701.52/x
  3. Step 3: Cross multiply
    25,345.78x = 38,023.24 × 8,701.52
  4. Step 4: Simplify right side
    25,345.78x = 330,859,983.32
  5. Step 5: Solve for x
    x = 330,859,983.32/25,345.78
  6. Step 6: Final answer
    x = 13,053.85

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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.