Home / 25,118.17-34,662.93-13,787.38

Finding the Fourth Proportional to 25,118.17, 34,662.93 and 13,787.38

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Solution

The fourth proportional to 25,118.17, 34,662.93 and 13,787.38 is: 19,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.17 : 34,662.93 = 13,787.38 : x
  2. Step 2: Convert to fraction form
    25,118.17/34,662.93 = 13,787.38/x
  3. Step 3: Cross multiply
    25,118.17x = 34,662.93 × 13,787.38
  4. Step 4: Simplify right side
    25,118.17x = 477,910,987.82
  5. Step 5: Solve for x
    x = 477,910,987.82/25,118.17
  6. Step 6: Final answer
    x = 19,026.51

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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.