Home / 18,514.90-25,551.24-10,557.04

Finding the Fourth Proportional to 18,514.90, 25,551.24 and 10,557.04

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Solution

The fourth proportional to 18,514.90, 25,551.24 and 10,557.04 is: 14,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.90 : 25,551.24 = 10,557.04 : x
  2. Step 2: Convert to fraction form
    18,514.90/25,551.24 = 10,557.04/x
  3. Step 3: Cross multiply
    18,514.90x = 25,551.24 × 10,557.04
  4. Step 4: Simplify right side
    18,514.90x = 269,745,462.73
  5. Step 5: Solve for x
    x = 269,745,462.73/18,514.90
  6. Step 6: Final answer
    x = 14,569.10

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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.