Home / 16,956.84-23,400.44-9,881.90

Finding the Fourth Proportional to 16,956.84, 23,400.44 and 9,881.90

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Solution

The fourth proportional to 16,956.84, 23,400.44 and 9,881.90 is: 13,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.84 : 23,400.44 = 9,881.90 : x
  2. Step 2: Convert to fraction form
    16,956.84/23,400.44 = 9,881.90/x
  3. Step 3: Cross multiply
    16,956.84x = 23,400.44 × 9,881.90
  4. Step 4: Simplify right side
    16,956.84x = 231,240,822.02
  5. Step 5: Solve for x
    x = 231,240,822.02/16,956.84
  6. Step 6: Final answer
    x = 13,637.02

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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.