Home / 21,927.08-32,898.88-13,168.10

Finding the Fourth Proportional to 21,927.08, 32,898.88 and 13,168.10

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Solution

The fourth proportional to 21,927.08, 32,898.88 and 13,168.10 is: 19,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.08 : 32,898.88 = 13,168.10 : x
  2. Step 2: Convert to fraction form
    21,927.08/32,898.88 = 13,168.10/x
  3. Step 3: Cross multiply
    21,927.08x = 32,898.88 × 13,168.10
  4. Step 4: Simplify right side
    21,927.08x = 433,215,741.73
  5. Step 5: Solve for x
    x = 433,215,741.73/21,927.08
  6. Step 6: Final answer
    x = 19,757.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.