Home / 22,072.40-30,459.24-12,000.86

Finding the Fourth Proportional to 22,072.40, 30,459.24 and 12,000.86

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Solution

The fourth proportional to 22,072.40, 30,459.24 and 12,000.86 is: 16,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.40 : 30,459.24 = 12,000.86 : x
  2. Step 2: Convert to fraction form
    22,072.40/30,459.24 = 12,000.86/x
  3. Step 3: Cross multiply
    22,072.40x = 30,459.24 × 12,000.86
  4. Step 4: Simplify right side
    22,072.40x = 365,537,036.87
  5. Step 5: Solve for x
    x = 365,537,036.87/22,072.40
  6. Step 6: Final answer
    x = 16,560.82

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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.