Home / 29,211.26-40,311.54-18,607.04

Finding the Fourth Proportional to 29,211.26, 40,311.54 and 18,607.04

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Solution

The fourth proportional to 29,211.26, 40,311.54 and 18,607.04 is: 25,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211.26 : 40,311.54 = 18,607.04 : x
  2. Step 2: Convert to fraction form
    29,211.26/40,311.54 = 18,607.04/x
  3. Step 3: Cross multiply
    29,211.26x = 40,311.54 × 18,607.04
  4. Step 4: Simplify right side
    29,211.26x = 750,078,421.73
  5. Step 5: Solve for x
    x = 750,078,421.73/29,211.26
  6. Step 6: Final answer
    x = 25,677.72

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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.