Home / 67,684.32-101,527.20-18,436.32

Finding the Fourth Proportional to 67,684.32, 101,527.20 and 18,436.32

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Solution

The fourth proportional to 67,684.32, 101,527.20 and 18,436.32 is: 27,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,684.32 : 101,527.20 = 18,436.32 : x
  2. Step 2: Convert to fraction form
    67,684.32/101,527.20 = 18,436.32/x
  3. Step 3: Cross multiply
    67,684.32x = 101,527.20 × 18,436.32
  4. Step 4: Simplify right side
    67,684.32x = 1,871,787,947.90
  5. Step 5: Solve for x
    x = 1,871,787,947.90/67,684.32
  6. Step 6: Final answer
    x = 27,654.68

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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.