Home / 22,071.42-30,459.17-12,000.56

Finding the Fourth Proportional to 22,071.42, 30,459.17 and 12,000.56

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Solution

The fourth proportional to 22,071.42, 30,459.17 and 12,000.56 is: 16,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.42 : 30,459.17 = 12,000.56 : x
  2. Step 2: Convert to fraction form
    22,071.42/30,459.17 = 12,000.56/x
  3. Step 3: Cross multiply
    22,071.42x = 30,459.17 × 12,000.56
  4. Step 4: Simplify right side
    22,071.42x = 365,526,974.84
  5. Step 5: Solve for x
    x = 365,526,974.84/22,071.42
  6. Step 6: Final answer
    x = 16,561.10

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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.