Home / 18,197.02-25,118.40-11,124.10

Finding the Fourth Proportional to 18,197.02, 25,118.40 and 11,124.10

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Solution

The fourth proportional to 18,197.02, 25,118.40 and 11,124.10 is: 15,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.02 : 25,118.40 = 11,124.10 : x
  2. Step 2: Convert to fraction form
    18,197.02/25,118.40 = 11,124.10/x
  3. Step 3: Cross multiply
    18,197.02x = 25,118.40 × 11,124.10
  4. Step 4: Simplify right side
    18,197.02x = 279,419,593.44
  5. Step 5: Solve for x
    x = 279,419,593.44/18,197.02
  6. Step 6: Final answer
    x = 15,355.24

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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.