Home / 18,081.68-24,953.48-10,123.92

Finding the Fourth Proportional to 18,081.68, 24,953.48 and 10,123.92

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Solution

The fourth proportional to 18,081.68, 24,953.48 and 10,123.92 is: 13,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.68 : 24,953.48 = 10,123.92 : x
  2. Step 2: Convert to fraction form
    18,081.68/24,953.48 = 10,123.92/x
  3. Step 3: Cross multiply
    18,081.68x = 24,953.48 × 10,123.92
  4. Step 4: Simplify right side
    18,081.68x = 252,627,035.24
  5. Step 5: Solve for x
    x = 252,627,035.24/18,081.68
  6. Step 6: Final answer
    x = 13,971.44

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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.