Home / 18,155.70-25,054.36-10,089.14

Finding the Fourth Proportional to 18,155.70, 25,054.36 and 10,089.14

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Solution

The fourth proportional to 18,155.70, 25,054.36 and 10,089.14 is: 13,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.70 : 25,054.36 = 10,089.14 : x
  2. Step 2: Convert to fraction form
    18,155.70/25,054.36 = 10,089.14/x
  3. Step 3: Cross multiply
    18,155.70x = 25,054.36 × 10,089.14
  4. Step 4: Simplify right side
    18,155.70x = 252,776,945.65
  5. Step 5: Solve for x
    x = 252,776,945.65/18,155.70
  6. Step 6: Final answer
    x = 13,922.73

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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.