Home / 18,761.19-25,889.35-10,261.62

Finding the Fourth Proportional to 18,761.19, 25,889.35 and 10,261.62

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Solution

The fourth proportional to 18,761.19, 25,889.35 and 10,261.62 is: 14,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.19 : 25,889.35 = 10,261.62 : x
  2. Step 2: Convert to fraction form
    18,761.19/25,889.35 = 10,261.62/x
  3. Step 3: Cross multiply
    18,761.19x = 25,889.35 × 10,261.62
  4. Step 4: Simplify right side
    18,761.19x = 265,666,671.75
  5. Step 5: Solve for x
    x = 265,666,671.75/18,761.19
  6. Step 6: Final answer
    x = 14,160.44

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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.