Home / 18,761.41-25,876.32-13,094.35

Finding the Fourth Proportional to 18,761.41, 25,876.32 and 13,094.35

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Solution

The fourth proportional to 18,761.41, 25,876.32 and 13,094.35 is: 18,060.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.41 : 25,876.32 = 13,094.35 : x
  2. Step 2: Convert to fraction form
    18,761.41/25,876.32 = 13,094.35/x
  3. Step 3: Cross multiply
    18,761.41x = 25,876.32 × 13,094.35
  4. Step 4: Simplify right side
    18,761.41x = 338,833,590.79
  5. Step 5: Solve for x
    x = 338,833,590.79/18,761.41
  6. Step 6: Final answer
    x = 18,060.13

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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.