Home / 18,342.06-25,318.07-10,788.06

Finding the Fourth Proportional to 18,342.06, 25,318.07 and 10,788.06

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Solution

The fourth proportional to 18,342.06, 25,318.07 and 10,788.06 is: 14,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.06 : 25,318.07 = 10,788.06 : x
  2. Step 2: Convert to fraction form
    18,342.06/25,318.07 = 10,788.06/x
  3. Step 3: Cross multiply
    18,342.06x = 25,318.07 × 10,788.06
  4. Step 4: Simplify right side
    18,342.06x = 273,132,858.24
  5. Step 5: Solve for x
    x = 273,132,858.24/18,342.06
  6. Step 6: Final answer
    x = 14,891.07

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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.