Home / 20,154.15-30,190.05-9,592.20

Finding the Fourth Proportional to 20,154.15, 30,190.05 and 9,592.20

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Solution

The fourth proportional to 20,154.15, 30,190.05 and 9,592.20 is: 14,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.15 : 30,190.05 = 9,592.20 : x
  2. Step 2: Convert to fraction form
    20,154.15/30,190.05 = 9,592.20/x
  3. Step 3: Cross multiply
    20,154.15x = 30,190.05 × 9,592.20
  4. Step 4: Simplify right side
    20,154.15x = 289,588,997.61
  5. Step 5: Solve for x
    x = 289,588,997.61/20,154.15
  6. Step 6: Final answer
    x = 14,368.70

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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.