Home / 18,065.75-24,930.74-10,109.85

Finding the Fourth Proportional to 18,065.75, 24,930.74 and 10,109.85

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Solution

The fourth proportional to 18,065.75, 24,930.74 and 10,109.85 is: 13,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.75 : 24,930.74 = 10,109.85 : x
  2. Step 2: Convert to fraction form
    18,065.75/24,930.74 = 10,109.85/x
  3. Step 3: Cross multiply
    18,065.75x = 24,930.74 × 10,109.85
  4. Step 4: Simplify right side
    18,065.75x = 252,045,916.71
  5. Step 5: Solve for x
    x = 252,045,916.71/18,065.75
  6. Step 6: Final answer
    x = 13,951.59

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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.