Home / 25,251.15-34,845.03-13,920.06

Finding the Fourth Proportional to 25,251.15, 34,845.03 and 13,920.06

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Solution

The fourth proportional to 25,251.15, 34,845.03 and 13,920.06 is: 19,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.15 : 34,845.03 = 13,920.06 : x
  2. Step 2: Convert to fraction form
    25,251.15/34,845.03 = 13,920.06/x
  3. Step 3: Cross multiply
    25,251.15x = 34,845.03 × 13,920.06
  4. Step 4: Simplify right side
    25,251.15x = 485,044,908.30
  5. Step 5: Solve for x
    x = 485,044,908.30/25,251.15
  6. Step 6: Final answer
    x = 19,208.82

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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.