Home / 18,325.22-25,288.80-10,367.28

Finding the Fourth Proportional to 18,325.22, 25,288.80 and 10,367.28

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Solution

The fourth proportional to 18,325.22, 25,288.80 and 10,367.28 is: 14,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.22 : 25,288.80 = 10,367.28 : x
  2. Step 2: Convert to fraction form
    18,325.22/25,288.80 = 10,367.28/x
  3. Step 3: Cross multiply
    18,325.22x = 25,288.80 × 10,367.28
  4. Step 4: Simplify right side
    18,325.22x = 262,176,070.46
  5. Step 5: Solve for x
    x = 262,176,070.46/18,325.22
  6. Step 6: Final answer
    x = 14,306.85

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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.