Home / 16,775.68-25,162.80-5,681.92

Finding the Fourth Proportional to 16,775.68, 25,162.80 and 5,681.92

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Solution

The fourth proportional to 16,775.68, 25,162.80 and 5,681.92 is: 8,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.68 : 25,162.80 = 5,681.92 : x
  2. Step 2: Convert to fraction form
    16,775.68/25,162.80 = 5,681.92/x
  3. Step 3: Cross multiply
    16,775.68x = 25,162.80 × 5,681.92
  4. Step 4: Simplify right side
    16,775.68x = 142,973,016.58
  5. Step 5: Solve for x
    x = 142,973,016.58/16,775.68
  6. Step 6: Final answer
    x = 8,522.64

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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.