Home / 16,972.82-23,422.14-9,316.28

Finding the Fourth Proportional to 16,972.82, 23,422.14 and 9,316.28

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Solution

The fourth proportional to 16,972.82, 23,422.14 and 9,316.28 is: 12,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.82 : 23,422.14 = 9,316.28 : x
  2. Step 2: Convert to fraction form
    16,972.82/23,422.14 = 9,316.28/x
  3. Step 3: Cross multiply
    16,972.82x = 23,422.14 × 9,316.28
  4. Step 4: Simplify right side
    16,972.82x = 218,207,214.44
  5. Step 5: Solve for x
    x = 218,207,214.44/16,972.82
  6. Step 6: Final answer
    x = 12,856.27

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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.