Home / 18,116.70-25,004.04-10,160.88

Finding the Fourth Proportional to 18,116.70, 25,004.04 and 10,160.88

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Solution

The fourth proportional to 18,116.70, 25,004.04 and 10,160.88 is: 14,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.70 : 25,004.04 = 10,160.88 : x
  2. Step 2: Convert to fraction form
    18,116.70/25,004.04 = 10,160.88/x
  3. Step 3: Cross multiply
    18,116.70x = 25,004.04 × 10,160.88
  4. Step 4: Simplify right side
    18,116.70x = 254,063,049.96
  5. Step 5: Solve for x
    x = 254,063,049.96/18,116.70
  6. Step 6: Final answer
    x = 14,023.69

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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.