Home / 25,207.63-34,788.68-13,879.33

Finding the Fourth Proportional to 25,207.63, 34,788.68 and 13,879.33

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Solution

The fourth proportional to 25,207.63, 34,788.68 and 13,879.33 is: 19,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207.63 : 34,788.68 = 13,879.33 : x
  2. Step 2: Convert to fraction form
    25,207.63/34,788.68 = 13,879.33/x
  3. Step 3: Cross multiply
    25,207.63x = 34,788.68 × 13,879.33
  4. Step 4: Simplify right side
    25,207.63x = 482,843,569.98
  5. Step 5: Solve for x
    x = 482,843,569.98/25,207.63
  6. Step 6: Final answer
    x = 19,154.66

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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.