Home / 22,349.98-30,842.99-12,279.07

Finding the Fourth Proportional to 22,349.98, 30,842.99 and 12,279.07

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Solution

The fourth proportional to 22,349.98, 30,842.99 and 12,279.07 is: 16,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.98 : 30,842.99 = 12,279.07 : x
  2. Step 2: Convert to fraction form
    22,349.98/30,842.99 = 12,279.07/x
  3. Step 3: Cross multiply
    22,349.98x = 30,842.99 × 12,279.07
  4. Step 4: Simplify right side
    22,349.98x = 378,723,214.12
  5. Step 5: Solve for x
    x = 378,723,214.12/22,349.98
  6. Step 6: Final answer
    x = 16,945.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.