Home / 17,479.06-24,121.60-9,521.42

Finding the Fourth Proportional to 17,479.06, 24,121.60 and 9,521.42

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Solution

The fourth proportional to 17,479.06, 24,121.60 and 9,521.42 is: 13,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.06 : 24,121.60 = 9,521.42 : x
  2. Step 2: Convert to fraction form
    17,479.06/24,121.60 = 9,521.42/x
  3. Step 3: Cross multiply
    17,479.06x = 24,121.60 × 9,521.42
  4. Step 4: Simplify right side
    17,479.06x = 229,671,884.67
  5. Step 5: Solve for x
    x = 229,671,884.67/17,479.06
  6. Step 6: Final answer
    x = 13,139.83

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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.