Home / 26,442.90-39,652.20-11,644.20

Finding the Fourth Proportional to 26,442.90, 39,652.20 and 11,644.20

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Solution

The fourth proportional to 26,442.90, 39,652.20 and 11,644.20 is: 17,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.90 : 39,652.20 = 11,644.20 : x
  2. Step 2: Convert to fraction form
    26,442.90/39,652.20 = 11,644.20/x
  3. Step 3: Cross multiply
    26,442.90x = 39,652.20 × 11,644.20
  4. Step 4: Simplify right side
    26,442.90x = 461,718,147.24
  5. Step 5: Solve for x
    x = 461,718,147.24/26,442.90
  6. Step 6: Final answer
    x = 17,460.95

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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.