Home / 18,823.38-25,976.40-10,325.57

Finding the Fourth Proportional to 18,823.38, 25,976.40 and 10,325.57

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Solution

The fourth proportional to 18,823.38, 25,976.40 and 10,325.57 is: 14,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.38 : 25,976.40 = 10,325.57 : x
  2. Step 2: Convert to fraction form
    18,823.38/25,976.40 = 10,325.57/x
  3. Step 3: Cross multiply
    18,823.38x = 25,976.40 × 10,325.57
  4. Step 4: Simplify right side
    18,823.38x = 268,221,006.67
  5. Step 5: Solve for x
    x = 268,221,006.67/18,823.38
  6. Step 6: Final answer
    x = 14,249.35

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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.