Home / 16,213.98-22,364.19-9,929.46

Finding the Fourth Proportional to 16,213.98, 22,364.19 and 9,929.46

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Solution

The fourth proportional to 16,213.98, 22,364.19 and 9,929.46 is: 13,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.98 : 22,364.19 = 9,929.46 : x
  2. Step 2: Convert to fraction form
    16,213.98/22,364.19 = 9,929.46/x
  3. Step 3: Cross multiply
    16,213.98x = 22,364.19 × 9,929.46
  4. Step 4: Simplify right side
    16,213.98x = 222,064,330.04
  5. Step 5: Solve for x
    x = 222,064,330.04/16,213.98
  6. Step 6: Final answer
    x = 13,695.86

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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.