Home / 16,966.34-25,449.50-5,279.55

Finding the Fourth Proportional to 16,966.34, 25,449.50 and 5,279.55

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Solution

The fourth proportional to 16,966.34, 25,449.50 and 5,279.55 is: 7,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.34 : 25,449.50 = 5,279.55 : x
  2. Step 2: Convert to fraction form
    16,966.34/25,449.50 = 5,279.55/x
  3. Step 3: Cross multiply
    16,966.34x = 25,449.50 × 5,279.55
  4. Step 4: Simplify right side
    16,966.34x = 134,362,047.64
  5. Step 5: Solve for x
    x = 134,362,047.64/16,966.34
  6. Step 6: Final answer
    x = 7,919.33

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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.