Home / 18,089.40-24,964.54-10,131.32

Finding the Fourth Proportional to 18,089.40, 24,964.54 and 10,131.32

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Solution

The fourth proportional to 18,089.40, 24,964.54 and 10,131.32 is: 13,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.40 : 24,964.54 = 10,131.32 : x
  2. Step 2: Convert to fraction form
    18,089.40/24,964.54 = 10,131.32/x
  3. Step 3: Cross multiply
    18,089.40x = 24,964.54 × 10,131.32
  4. Step 4: Simplify right side
    18,089.40x = 252,923,743.39
  5. Step 5: Solve for x
    x = 252,923,743.39/18,089.40
  6. Step 6: Final answer
    x = 13,981.88

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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.