Home / 14,311.85-21,480.12-9,932.38

Finding the Fourth Proportional to 14,311.85, 21,480.12 and 9,932.38

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Solution

The fourth proportional to 14,311.85, 21,480.12 and 9,932.38 is: 14,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.85 : 21,480.12 = 9,932.38 : x
  2. Step 2: Convert to fraction form
    14,311.85/21,480.12 = 9,932.38/x
  3. Step 3: Cross multiply
    14,311.85x = 21,480.12 × 9,932.38
  4. Step 4: Simplify right side
    14,311.85x = 213,348,714.29
  5. Step 5: Solve for x
    x = 213,348,714.29/14,311.85
  6. Step 6: Final answer
    x = 14,907.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.