Home / 13,244.99-18,279.20-7,277.85

Finding the Fourth Proportional to 13,244.99, 18,279.20 and 7,277.85

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Solution

The fourth proportional to 13,244.99, 18,279.20 and 7,277.85 is: 10,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.99 : 18,279.20 = 7,277.85 : x
  2. Step 2: Convert to fraction form
    13,244.99/18,279.20 = 7,277.85/x
  3. Step 3: Cross multiply
    13,244.99x = 18,279.20 × 7,277.85
  4. Step 4: Simplify right side
    13,244.99x = 133,033,293.91
  5. Step 5: Solve for x
    x = 133,033,293.91/13,244.99
  6. Step 6: Final answer
    x = 10,044.05

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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.