Home / 25,930.11-38,894.91-11,886.15

Finding the Fourth Proportional to 25,930.11, 38,894.91 and 11,886.15

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Solution

The fourth proportional to 25,930.11, 38,894.91 and 11,886.15 is: 17,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.11 : 38,894.91 = 11,886.15 : x
  2. Step 2: Convert to fraction form
    25,930.11/38,894.91 = 11,886.15/x
  3. Step 3: Cross multiply
    25,930.11x = 38,894.91 × 11,886.15
  4. Step 4: Simplify right side
    25,930.11x = 462,310,734.50
  5. Step 5: Solve for x
    x = 462,310,734.50/25,930.11
  6. Step 6: Final answer
    x = 17,829.11

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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.