Home / 22,325.20-30,807.36-12,253.12

Finding the Fourth Proportional to 22,325.20, 30,807.36 and 12,253.12

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Solution

The fourth proportional to 22,325.20, 30,807.36 and 12,253.12 is: 16,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.20 : 30,807.36 = 12,253.12 : x
  2. Step 2: Convert to fraction form
    22,325.20/30,807.36 = 12,253.12/x
  3. Step 3: Cross multiply
    22,325.20x = 30,807.36 × 12,253.12
  4. Step 4: Simplify right side
    22,325.20x = 377,486,278.96
  5. Step 5: Solve for x
    x = 377,486,278.96/22,325.20
  6. Step 6: Final answer
    x = 16,908.53

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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.