Home / 31,826.56-43,924.68-19,251.28

Finding the Fourth Proportional to 31,826.56, 43,924.68 and 19,251.28

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Solution

The fourth proportional to 31,826.56, 43,924.68 and 19,251.28 is: 26,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.56 : 43,924.68 = 19,251.28 : x
  2. Step 2: Convert to fraction form
    31,826.56/43,924.68 = 19,251.28/x
  3. Step 3: Cross multiply
    31,826.56x = 43,924.68 × 19,251.28
  4. Step 4: Simplify right side
    31,826.56x = 845,606,313.59
  5. Step 5: Solve for x
    x = 845,606,313.59/31,826.56
  6. Step 6: Final answer
    x = 26,569.20

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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.