Home / 22,176.28-30,602.99-12,104.78

Finding the Fourth Proportional to 22,176.28, 30,602.99 and 12,104.78

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Solution

The fourth proportional to 22,176.28, 30,602.99 and 12,104.78 is: 16,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.28 : 30,602.99 = 12,104.78 : x
  2. Step 2: Convert to fraction form
    22,176.28/30,602.99 = 12,104.78/x
  3. Step 3: Cross multiply
    22,176.28x = 30,602.99 × 12,104.78
  4. Step 4: Simplify right side
    22,176.28x = 370,442,400.77
  5. Step 5: Solve for x
    x = 370,442,400.77/22,176.28
  6. Step 6: Final answer
    x = 16,704.45

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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.