Home / 16,881.90-23,292.28-9,711.44

Finding the Fourth Proportional to 16,881.90, 23,292.28 and 9,711.44

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Solution

The fourth proportional to 16,881.90, 23,292.28 and 9,711.44 is: 13,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.90 : 23,292.28 = 9,711.44 : x
  2. Step 2: Convert to fraction form
    16,881.90/23,292.28 = 9,711.44/x
  3. Step 3: Cross multiply
    16,881.90x = 23,292.28 × 9,711.44
  4. Step 4: Simplify right side
    16,881.90x = 226,201,579.68
  5. Step 5: Solve for x
    x = 226,201,579.68/16,881.90
  6. Step 6: Final answer
    x = 13,399.06

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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.