Home / 18,137.52-25,024.14-11,061.36

Finding the Fourth Proportional to 18,137.52, 25,024.14 and 11,061.36

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Solution

The fourth proportional to 18,137.52, 25,024.14 and 11,061.36 is: 15,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.52 : 25,024.14 = 11,061.36 : x
  2. Step 2: Convert to fraction form
    18,137.52/25,024.14 = 11,061.36/x
  3. Step 3: Cross multiply
    18,137.52x = 25,024.14 × 11,061.36
  4. Step 4: Simplify right side
    18,137.52x = 276,801,021.23
  5. Step 5: Solve for x
    x = 276,801,021.23/18,137.52
  6. Step 6: Final answer
    x = 15,261.24

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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.