Home / 26,352.78-39,534.02-8,345.55

Finding the Fourth Proportional to 26,352.78, 39,534.02 and 8,345.55

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Solution

The fourth proportional to 26,352.78, 39,534.02 and 8,345.55 is: 12,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,352.78 : 39,534.02 = 8,345.55 : x
  2. Step 2: Convert to fraction form
    26,352.78/39,534.02 = 8,345.55/x
  3. Step 3: Cross multiply
    26,352.78x = 39,534.02 × 8,345.55
  4. Step 4: Simplify right side
    26,352.78x = 329,932,963.80
  5. Step 5: Solve for x
    x = 329,932,963.80/26,352.78
  6. Step 6: Final answer
    x = 12,519.86

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1.5x scale

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.