Home / 18,065.10-24,928.68-10,105.95

Finding the Fourth Proportional to 18,065.10, 24,928.68 and 10,105.95

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Solution

The fourth proportional to 18,065.10, 24,928.68 and 10,105.95 is: 13,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.10 : 24,928.68 = 10,105.95 : x
  2. Step 2: Convert to fraction form
    18,065.10/24,928.68 = 10,105.95/x
  3. Step 3: Cross multiply
    18,065.10x = 24,928.68 × 10,105.95
  4. Step 4: Simplify right side
    18,065.10x = 251,927,993.65
  5. Step 5: Solve for x
    x = 251,927,993.65/18,065.10
  6. Step 6: Final answer
    x = 13,945.56

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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.