Home / 18,065.14-24,930.47-10,108.72

Finding the Fourth Proportional to 18,065.14, 24,930.47 and 10,108.72

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Solution

The fourth proportional to 18,065.14, 24,930.47 and 10,108.72 is: 13,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.14 : 24,930.47 = 10,108.72 : x
  2. Step 2: Convert to fraction form
    18,065.14/24,930.47 = 10,108.72/x
  3. Step 3: Cross multiply
    18,065.14x = 24,930.47 × 10,108.72
  4. Step 4: Simplify right side
    18,065.14x = 252,015,140.70
  5. Step 5: Solve for x
    x = 252,015,140.70/18,065.14
  6. Step 6: Final answer
    x = 13,950.36

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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.