Home / 17,787.20-26,542.69-15,425.24

Finding the Fourth Proportional to 17,787.20, 26,542.69 and 15,425.24

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Solution

The fourth proportional to 17,787.20, 26,542.69 and 15,425.24 is: 23,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.20 : 26,542.69 = 15,425.24 : x
  2. Step 2: Convert to fraction form
    17,787.20/26,542.69 = 15,425.24/x
  3. Step 3: Cross multiply
    17,787.20x = 26,542.69 × 15,425.24
  4. Step 4: Simplify right side
    17,787.20x = 409,427,192.22
  5. Step 5: Solve for x
    x = 409,427,192.22/17,787.20
  6. Step 6: Final answer
    x = 23,018.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.