Home / 16,886.68-25,330.34-5,199.88

Finding the Fourth Proportional to 16,886.68, 25,330.34 and 5,199.88

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Solution

The fourth proportional to 16,886.68, 25,330.34 and 5,199.88 is: 7,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.68 : 25,330.34 = 5,199.88 : x
  2. Step 2: Convert to fraction form
    16,886.68/25,330.34 = 5,199.88/x
  3. Step 3: Cross multiply
    16,886.68x = 25,330.34 × 5,199.88
  4. Step 4: Simplify right side
    16,886.68x = 131,714,728.36
  5. Step 5: Solve for x
    x = 131,714,728.36/16,886.68
  6. Step 6: Final answer
    x = 7,799.92

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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.