Home / 18,502.06-25,532.32-10,118.38

Finding the Fourth Proportional to 18,502.06, 25,532.32 and 10,118.38

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Solution

The fourth proportional to 18,502.06, 25,532.32 and 10,118.38 is: 13,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.06 : 25,532.32 = 10,118.38 : x
  2. Step 2: Convert to fraction form
    18,502.06/25,532.32 = 10,118.38/x
  3. Step 3: Cross multiply
    18,502.06x = 25,532.32 × 10,118.38
  4. Step 4: Simplify right side
    18,502.06x = 258,345,716.04
  5. Step 5: Solve for x
    x = 258,345,716.04/18,502.06
  6. Step 6: Final answer
    x = 13,963.08

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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.