Home / 15,104.28-22,622.16-8,071.92

Finding the Fourth Proportional to 15,104.28, 22,622.16 and 8,071.92

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Solution

The fourth proportional to 15,104.28, 22,622.16 and 8,071.92 is: 12,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.28 : 22,622.16 = 8,071.92 : x
  2. Step 2: Convert to fraction form
    15,104.28/22,622.16 = 8,071.92/x
  3. Step 3: Cross multiply
    15,104.28x = 22,622.16 × 8,071.92
  4. Step 4: Simplify right side
    15,104.28x = 182,604,265.75
  5. Step 5: Solve for x
    x = 182,604,265.75/15,104.28
  6. Step 6: Final answer
    x = 12,089.57

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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.