Home / 16,748.16-23,112.76-9,195.20

Finding the Fourth Proportional to 16,748.16, 23,112.76 and 9,195.20

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Solution

The fourth proportional to 16,748.16, 23,112.76 and 9,195.20 is: 12,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,748.16 : 23,112.76 = 9,195.20 : x
  2. Step 2: Convert to fraction form
    16,748.16/23,112.76 = 9,195.20/x
  3. Step 3: Cross multiply
    16,748.16x = 23,112.76 × 9,195.20
  4. Step 4: Simplify right side
    16,748.16x = 212,526,450.75
  5. Step 5: Solve for x
    x = 212,526,450.75/16,748.16
  6. Step 6: Final answer
    x = 12,689.54

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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.