Home / 16,886.54-25,330.16-5,199.75

Finding the Fourth Proportional to 16,886.54, 25,330.16 and 5,199.75

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Solution

The fourth proportional to 16,886.54, 25,330.16 and 5,199.75 is: 7,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.54 : 25,330.16 = 5,199.75 : x
  2. Step 2: Convert to fraction form
    16,886.54/25,330.16 = 5,199.75/x
  3. Step 3: Cross multiply
    16,886.54x = 25,330.16 × 5,199.75
  4. Step 4: Simplify right side
    16,886.54x = 131,710,512.46
  5. Step 5: Solve for x
    x = 131,710,512.46/16,886.54
  6. Step 6: Final answer
    x = 7,799.73

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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.