Home / 22,071.85-30,459.12-12,000.26

Finding the Fourth Proportional to 22,071.85, 30,459.12 and 12,000.26

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Solution

The fourth proportional to 22,071.85, 30,459.12 and 12,000.26 is: 16,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.85 : 30,459.12 = 12,000.26 : x
  2. Step 2: Convert to fraction form
    22,071.85/30,459.12 = 12,000.26/x
  3. Step 3: Cross multiply
    22,071.85x = 30,459.12 × 12,000.26
  4. Step 4: Simplify right side
    22,071.85x = 365,517,359.37
  5. Step 5: Solve for x
    x = 365,517,359.37/22,071.85
  6. Step 6: Final answer
    x = 16,560.34

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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.