Home / 18,625.75-25,701.98-10,967.81

Finding the Fourth Proportional to 18,625.75, 25,701.98 and 10,967.81

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Solution

The fourth proportional to 18,625.75, 25,701.98 and 10,967.81 is: 15,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.75 : 25,701.98 = 10,967.81 : x
  2. Step 2: Convert to fraction form
    18,625.75/25,701.98 = 10,967.81/x
  3. Step 3: Cross multiply
    18,625.75x = 25,701.98 × 10,967.81
  4. Step 4: Simplify right side
    18,625.75x = 281,894,249.91
  5. Step 5: Solve for x
    x = 281,894,249.91/18,625.75
  6. Step 6: Final answer
    x = 15,134.65

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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.