Home / 29,012.58-43,521.18-12,372.76

Finding the Fourth Proportional to 29,012.58, 43,521.18 and 12,372.76

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Solution

The fourth proportional to 29,012.58, 43,521.18 and 12,372.76 is: 18,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.58 : 43,521.18 = 12,372.76 : x
  2. Step 2: Convert to fraction form
    29,012.58/43,521.18 = 12,372.76/x
  3. Step 3: Cross multiply
    29,012.58x = 43,521.18 × 12,372.76
  4. Step 4: Simplify right side
    29,012.58x = 538,476,835.59
  5. Step 5: Solve for x
    x = 538,476,835.59/29,012.58
  6. Step 6: Final answer
    x = 18,560.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.