Home / 22,083.28-30,464.88-13,125.69

Finding the Fourth Proportional to 22,083.28, 30,464.88 and 13,125.69

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Solution

The fourth proportional to 22,083.28, 30,464.88 and 13,125.69 is: 18,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,083.28 : 30,464.88 = 13,125.69 : x
  2. Step 2: Convert to fraction form
    22,083.28/30,464.88 = 13,125.69/x
  3. Step 3: Cross multiply
    22,083.28x = 30,464.88 × 13,125.69
  4. Step 4: Simplify right side
    22,083.28x = 399,872,581.30
  5. Step 5: Solve for x
    x = 399,872,581.30/22,083.28
  6. Step 6: Final answer
    x = 18,107.48

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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.