Home / 18,118.02-24,977.19-16,003.90

Finding the Fourth Proportional to 18,118.02, 24,977.19 and 16,003.90

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Solution

The fourth proportional to 18,118.02, 24,977.19 and 16,003.90 is: 22,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.02 : 24,977.19 = 16,003.90 : x
  2. Step 2: Convert to fraction form
    18,118.02/24,977.19 = 16,003.90/x
  3. Step 3: Cross multiply
    18,118.02x = 24,977.19 × 16,003.90
  4. Step 4: Simplify right side
    18,118.02x = 399,732,451.04
  5. Step 5: Solve for x
    x = 399,732,451.04/18,118.02
  6. Step 6: Final answer
    x = 22,062.70

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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.