Home / 16,121.11-22,248.12-9,047.53

Finding the Fourth Proportional to 16,121.11, 22,248.12 and 9,047.53

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Solution

The fourth proportional to 16,121.11, 22,248.12 and 9,047.53 is: 12,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.11 : 22,248.12 = 9,047.53 : x
  2. Step 2: Convert to fraction form
    16,121.11/22,248.12 = 9,047.53/x
  3. Step 3: Cross multiply
    16,121.11x = 22,248.12 × 9,047.53
  4. Step 4: Simplify right side
    16,121.11x = 201,290,543.99
  5. Step 5: Solve for x
    x = 201,290,543.99/16,121.11
  6. Step 6: Final answer
    x = 12,486.15

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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.