Home / 13,582.28-20,373.12-6,188.70

Finding the Fourth Proportional to 13,582.28, 20,373.12 and 6,188.70

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Solution

The fourth proportional to 13,582.28, 20,373.12 and 6,188.70 is: 9,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.28 : 20,373.12 = 6,188.70 : x
  2. Step 2: Convert to fraction form
    13,582.28/20,373.12 = 6,188.70/x
  3. Step 3: Cross multiply
    13,582.28x = 20,373.12 × 6,188.70
  4. Step 4: Simplify right side
    13,582.28x = 126,083,204.14
  5. Step 5: Solve for x
    x = 126,083,204.14/13,582.28
  6. Step 6: Final answer
    x = 9,282.92

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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.