Home / 25,009.66-34,511.91-13,676.90

Finding the Fourth Proportional to 25,009.66, 34,511.91 and 13,676.90

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Solution

The fourth proportional to 25,009.66, 34,511.91 and 13,676.90 is: 18,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.66 : 34,511.91 = 13,676.90 : x
  2. Step 2: Convert to fraction form
    25,009.66/34,511.91 = 13,676.90/x
  3. Step 3: Cross multiply
    25,009.66x = 34,511.91 × 13,676.90
  4. Step 4: Simplify right side
    25,009.66x = 472,015,941.88
  5. Step 5: Solve for x
    x = 472,015,941.88/25,009.66
  6. Step 6: Final answer
    x = 18,873.35

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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.