Home / 18,542.02-25,588-10,158.52

Finding the Fourth Proportional to 18,542.02, 25,588 and 10,158.52

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Solution

The fourth proportional to 18,542.02, 25,588 and 10,158.52 is: 14,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.02 : 25,588 = 10,158.52 : x
  2. Step 2: Convert to fraction form
    18,542.02/25,588 = 10,158.52/x
  3. Step 3: Cross multiply
    18,542.02x = 25,588 × 10,158.52
  4. Step 4: Simplify right side
    18,542.02x = 259,936,209.76
  5. Step 5: Solve for x
    x = 259,936,209.76/18,542.02
  6. Step 6: Final answer
    x = 14,018.76

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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.