Home / 17,928.52-24,677.70-13,140.04

Finding the Fourth Proportional to 17,928.52, 24,677.70 and 13,140.04

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Solution

The fourth proportional to 17,928.52, 24,677.70 and 13,140.04 is: 18,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.52 : 24,677.70 = 13,140.04 : x
  2. Step 2: Convert to fraction form
    17,928.52/24,677.70 = 13,140.04/x
  3. Step 3: Cross multiply
    17,928.52x = 24,677.70 × 13,140.04
  4. Step 4: Simplify right side
    17,928.52x = 324,265,965.11
  5. Step 5: Solve for x
    x = 324,265,965.11/17,928.52
  6. Step 6: Final answer
    x = 18,086.60

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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.