Home / 29,107.47-43,621.75-13,292.90

Finding the Fourth Proportional to 29,107.47, 43,621.75 and 13,292.90

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Solution

The fourth proportional to 29,107.47, 43,621.75 and 13,292.90 is: 19,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.47 : 43,621.75 = 13,292.90 : x
  2. Step 2: Convert to fraction form
    29,107.47/43,621.75 = 13,292.90/x
  3. Step 3: Cross multiply
    29,107.47x = 43,621.75 × 13,292.90
  4. Step 4: Simplify right side
    29,107.47x = 579,859,560.58
  5. Step 5: Solve for x
    x = 579,859,560.58/29,107.47
  6. Step 6: Final answer
    x = 19,921.33

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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.