Home / 14,052.39-21,081.77-4,191.29

Finding the Fourth Proportional to 14,052.39, 21,081.77 and 4,191.29

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Solution

The fourth proportional to 14,052.39, 21,081.77 and 4,191.29 is: 6,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.39 : 21,081.77 = 4,191.29 : x
  2. Step 2: Convert to fraction form
    14,052.39/21,081.77 = 4,191.29/x
  3. Step 3: Cross multiply
    14,052.39x = 21,081.77 × 4,191.29
  4. Step 4: Simplify right side
    14,052.39x = 88,359,898.78
  5. Step 5: Solve for x
    x = 88,359,898.78/14,052.39
  6. Step 6: Final answer
    x = 6,287.89

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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.