Home / 29,001.12-43,496.64-12,370.56

Finding the Fourth Proportional to 29,001.12, 43,496.64 and 12,370.56

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Solution

The fourth proportional to 29,001.12, 43,496.64 and 12,370.56 is: 18,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,001.12 : 43,496.64 = 12,370.56 : x
  2. Step 2: Convert to fraction form
    29,001.12/43,496.64 = 12,370.56/x
  3. Step 3: Cross multiply
    29,001.12x = 43,496.64 × 12,370.56
  4. Step 4: Simplify right side
    29,001.12x = 538,077,794.92
  5. Step 5: Solve for x
    x = 538,077,794.92/29,001.12
  6. Step 6: Final answer
    x = 18,553.69

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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.