Home / 14,171.79-21,239.13-5,842.11

Finding the Fourth Proportional to 14,171.79, 21,239.13 and 5,842.11

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Solution

The fourth proportional to 14,171.79, 21,239.13 and 5,842.11 is: 8,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.79 : 21,239.13 = 5,842.11 : x
  2. Step 2: Convert to fraction form
    14,171.79/21,239.13 = 5,842.11/x
  3. Step 3: Cross multiply
    14,171.79x = 21,239.13 × 5,842.11
  4. Step 4: Simplify right side
    14,171.79x = 124,081,333.76
  5. Step 5: Solve for x
    x = 124,081,333.76/14,171.79
  6. Step 6: Final answer
    x = 8,755.52

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1.5x scale

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.