Home / 18,176.06-25,083.98-10,218.79

Finding the Fourth Proportional to 18,176.06, 25,083.98 and 10,218.79

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Solution

The fourth proportional to 18,176.06, 25,083.98 and 10,218.79 is: 14,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.06 : 25,083.98 = 10,218.79 : x
  2. Step 2: Convert to fraction form
    18,176.06/25,083.98 = 10,218.79/x
  3. Step 3: Cross multiply
    18,176.06x = 25,083.98 × 10,218.79
  4. Step 4: Simplify right side
    18,176.06x = 256,327,942.57
  5. Step 5: Solve for x
    x = 256,327,942.57/18,176.06
  6. Step 6: Final answer
    x = 14,102.50

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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.