Home / 22,677.12-34,015.68-13,415.04

Finding the Fourth Proportional to 22,677.12, 34,015.68 and 13,415.04

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Solution

The fourth proportional to 22,677.12, 34,015.68 and 13,415.04 is: 20,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.12 : 34,015.68 = 13,415.04 : x
  2. Step 2: Convert to fraction form
    22,677.12/34,015.68 = 13,415.04/x
  3. Step 3: Cross multiply
    22,677.12x = 34,015.68 × 13,415.04
  4. Step 4: Simplify right side
    22,677.12x = 456,321,707.83
  5. Step 5: Solve for x
    x = 456,321,707.83/22,677.12
  6. Step 6: Final answer
    x = 20,122.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.