Home / 38,484.03-57,729.33-13,521.92

Finding the Fourth Proportional to 38,484.03, 57,729.33 and 13,521.92

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Solution

The fourth proportional to 38,484.03, 57,729.33 and 13,521.92 is: 20,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484.03 : 57,729.33 = 13,521.92 : x
  2. Step 2: Convert to fraction form
    38,484.03/57,729.33 = 13,521.92/x
  3. Step 3: Cross multiply
    38,484.03x = 57,729.33 × 13,521.92
  4. Step 4: Simplify right side
    38,484.03x = 780,611,093.27
  5. Step 5: Solve for x
    x = 780,611,093.27/38,484.03
  6. Step 6: Final answer
    x = 20,284.03

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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.