Home / 13,321.65-19,983.39-8,062.53

Finding the Fourth Proportional to 13,321.65, 19,983.39 and 8,062.53

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Solution

The fourth proportional to 13,321.65, 19,983.39 and 8,062.53 is: 12,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.65 : 19,983.39 = 8,062.53 : x
  2. Step 2: Convert to fraction form
    13,321.65/19,983.39 = 8,062.53/x
  3. Step 3: Cross multiply
    13,321.65x = 19,983.39 × 8,062.53
  4. Step 4: Simplify right side
    13,321.65x = 161,116,681.38
  5. Step 5: Solve for x
    x = 161,116,681.38/13,321.65
  6. Step 6: Final answer
    x = 12,094.35

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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.