Home / 16,187.95-22,339.29-9,114.42

Finding the Fourth Proportional to 16,187.95, 22,339.29 and 9,114.42

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Solution

The fourth proportional to 16,187.95, 22,339.29 and 9,114.42 is: 12,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.95 : 22,339.29 = 9,114.42 : x
  2. Step 2: Convert to fraction form
    16,187.95/22,339.29 = 9,114.42/x
  3. Step 3: Cross multiply
    16,187.95x = 22,339.29 × 9,114.42
  4. Step 4: Simplify right side
    16,187.95x = 203,609,671.56
  5. Step 5: Solve for x
    x = 203,609,671.56/16,187.95
  6. Step 6: Final answer
    x = 12,577.85

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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.