Home / 19,012.20-28,521.53-5,862.12

Finding the Fourth Proportional to 19,012.20, 28,521.53 and 5,862.12

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Solution

The fourth proportional to 19,012.20, 28,521.53 and 5,862.12 is: 8,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.20 : 28,521.53 = 5,862.12 : x
  2. Step 2: Convert to fraction form
    19,012.20/28,521.53 = 5,862.12/x
  3. Step 3: Cross multiply
    19,012.20x = 28,521.53 × 5,862.12
  4. Step 4: Simplify right side
    19,012.20x = 167,196,631.44
  5. Step 5: Solve for x
    x = 167,196,631.44/19,012.20
  6. Step 6: Final answer
    x = 8,794.18

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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.