Home / 21,713.83-29,951.44-16,670.36

Finding the Fourth Proportional to 21,713.83, 29,951.44 and 16,670.36

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Solution

The fourth proportional to 21,713.83, 29,951.44 and 16,670.36 is: 22,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.83 : 29,951.44 = 16,670.36 : x
  2. Step 2: Convert to fraction form
    21,713.83/29,951.44 = 16,670.36/x
  3. Step 3: Cross multiply
    21,713.83x = 29,951.44 × 16,670.36
  4. Step 4: Simplify right side
    21,713.83x = 499,301,320.52
  5. Step 5: Solve for x
    x = 499,301,320.52/21,713.83
  6. Step 6: Final answer
    x = 22,994.62

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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.