Home / 25,301.16-34,909.38-19,625.90

Finding the Fourth Proportional to 25,301.16, 34,909.38 and 19,625.90

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Solution

The fourth proportional to 25,301.16, 34,909.38 and 19,625.90 is: 27,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,301.16 : 34,909.38 = 19,625.90 : x
  2. Step 2: Convert to fraction form
    25,301.16/34,909.38 = 19,625.90/x
  3. Step 3: Cross multiply
    25,301.16x = 34,909.38 × 19,625.90
  4. Step 4: Simplify right side
    25,301.16x = 685,127,826.40
  5. Step 5: Solve for x
    x = 685,127,826.40/25,301.16
  6. Step 6: Final answer
    x = 27,078.91

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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.