Home / 26,442.75-36,491.01-15,264.75

Finding the Fourth Proportional to 26,442.75, 36,491.01 and 15,264.75

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Solution

The fourth proportional to 26,442.75, 36,491.01 and 15,264.75 is: 21,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.75 : 36,491.01 = 15,264.75 : x
  2. Step 2: Convert to fraction form
    26,442.75/36,491.01 = 15,264.75/x
  3. Step 3: Cross multiply
    26,442.75x = 36,491.01 × 15,264.75
  4. Step 4: Simplify right side
    26,442.75x = 557,026,144.90
  5. Step 5: Solve for x
    x = 557,026,144.90/26,442.75
  6. Step 6: Final answer
    x = 21,065.36

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1.5x scale

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.