Home / 53,215.25-79,822.91-16,279.25

Finding the Fourth Proportional to 53,215.25, 79,822.91 and 16,279.25

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Solution

The fourth proportional to 53,215.25, 79,822.91 and 16,279.25 is: 24,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.25 : 79,822.91 = 16,279.25 : x
  2. Step 2: Convert to fraction form
    53,215.25/79,822.91 = 16,279.25/x
  3. Step 3: Cross multiply
    53,215.25x = 79,822.91 × 16,279.25
  4. Step 4: Simplify right side
    53,215.25x = 1,299,457,107.62
  5. Step 5: Solve for x
    x = 1,299,457,107.62/53,215.25
  6. Step 6: Final answer
    x = 24,418.89

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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.