Home / 22,104.12-30,505.14-12,672.84

Finding the Fourth Proportional to 22,104.12, 30,505.14 and 12,672.84

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Solution

The fourth proportional to 22,104.12, 30,505.14 and 12,672.84 is: 17,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104.12 : 30,505.14 = 12,672.84 : x
  2. Step 2: Convert to fraction form
    22,104.12/30,505.14 = 12,672.84/x
  3. Step 3: Cross multiply
    22,104.12x = 30,505.14 × 12,672.84
  4. Step 4: Simplify right side
    22,104.12x = 386,586,758.40
  5. Step 5: Solve for x
    x = 386,586,758.40/22,104.12
  6. Step 6: Final answer
    x = 17,489.35

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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.