Home / 16,825.12-23,219.68-9,271.43

Finding the Fourth Proportional to 16,825.12, 23,219.68 and 9,271.43

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Solution

The fourth proportional to 16,825.12, 23,219.68 and 9,271.43 is: 12,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.12 : 23,219.68 = 9,271.43 : x
  2. Step 2: Convert to fraction form
    16,825.12/23,219.68 = 9,271.43/x
  3. Step 3: Cross multiply
    16,825.12x = 23,219.68 × 9,271.43
  4. Step 4: Simplify right side
    16,825.12x = 215,279,649.43
  5. Step 5: Solve for x
    x = 215,279,649.43/16,825.12
  6. Step 6: Final answer
    x = 12,795.14

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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.