Home / 18,601.89-25,670.61-10,218.39

Finding the Fourth Proportional to 18,601.89, 25,670.61 and 10,218.39

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Solution

The fourth proportional to 18,601.89, 25,670.61 and 10,218.39 is: 14,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.89 : 25,670.61 = 10,218.39 : x
  2. Step 2: Convert to fraction form
    18,601.89/25,670.61 = 10,218.39/x
  3. Step 3: Cross multiply
    18,601.89x = 25,670.61 × 10,218.39
  4. Step 4: Simplify right side
    18,601.89x = 262,312,304.52
  5. Step 5: Solve for x
    x = 262,312,304.52/18,601.89
  6. Step 6: Final answer
    x = 14,101.38

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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.