Home / 13,045.35-19,566.20-4,279.13

Finding the Fourth Proportional to 13,045.35, 19,566.20 and 4,279.13

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Solution

The fourth proportional to 13,045.35, 19,566.20 and 4,279.13 is: 6,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.35 : 19,566.20 = 4,279.13 : x
  2. Step 2: Convert to fraction form
    13,045.35/19,566.20 = 4,279.13/x
  3. Step 3: Cross multiply
    13,045.35x = 19,566.20 × 4,279.13
  4. Step 4: Simplify right side
    13,045.35x = 83,726,194.18
  5. Step 5: Solve for x
    x = 83,726,194.18/13,045.35
  6. Step 6: Final answer
    x = 6,418.09

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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.