Home / 13,242.75-19,864.13-4,924.86

Finding the Fourth Proportional to 13,242.75, 19,864.13 and 4,924.86

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Solution

The fourth proportional to 13,242.75, 19,864.13 and 4,924.86 is: 7,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.75 : 19,864.13 = 4,924.86 : x
  2. Step 2: Convert to fraction form
    13,242.75/19,864.13 = 4,924.86/x
  3. Step 3: Cross multiply
    13,242.75x = 19,864.13 × 4,924.86
  4. Step 4: Simplify right side
    13,242.75x = 97,828,034.65
  5. Step 5: Solve for x
    x = 97,828,034.65/13,242.75
  6. Step 6: Final answer
    x = 7,387.29

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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.