Home / 29,221.12-43,838.16-8,443.04

Finding the Fourth Proportional to 29,221.12, 43,838.16 and 8,443.04

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Solution

The fourth proportional to 29,221.12, 43,838.16 and 8,443.04 is: 12,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.12 : 43,838.16 = 8,443.04 : x
  2. Step 2: Convert to fraction form
    29,221.12/43,838.16 = 8,443.04/x
  3. Step 3: Cross multiply
    29,221.12x = 43,838.16 × 8,443.04
  4. Step 4: Simplify right side
    29,221.12x = 370,127,338.41
  5. Step 5: Solve for x
    x = 370,127,338.41/29,221.12
  6. Step 6: Final answer
    x = 12,666.43

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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.