Home / 18,071.41-24,938.55-10,115.17

Finding the Fourth Proportional to 18,071.41, 24,938.55 and 10,115.17

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Solution

The fourth proportional to 18,071.41, 24,938.55 and 10,115.17 is: 13,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.41 : 24,938.55 = 10,115.17 : x
  2. Step 2: Convert to fraction form
    18,071.41/24,938.55 = 10,115.17/x
  3. Step 3: Cross multiply
    18,071.41x = 24,938.55 × 10,115.17
  4. Step 4: Simplify right side
    18,071.41x = 252,257,672.80
  5. Step 5: Solve for x
    x = 252,257,672.80/18,071.41
  6. Step 6: Final answer
    x = 13,958.94

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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.