Home / 14,994.06-20,690.88-8,279.52

Finding the Fourth Proportional to 14,994.06, 20,690.88 and 8,279.52

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Solution

The fourth proportional to 14,994.06, 20,690.88 and 8,279.52 is: 11,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.06 : 20,690.88 = 8,279.52 : x
  2. Step 2: Convert to fraction form
    14,994.06/20,690.88 = 8,279.52/x
  3. Step 3: Cross multiply
    14,994.06x = 20,690.88 × 8,279.52
  4. Step 4: Simplify right side
    14,994.06x = 171,310,554.78
  5. Step 5: Solve for x
    x = 171,310,554.78/14,994.06
  6. Step 6: Final answer
    x = 11,425.23

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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.