Home / 19,116.28-28,669.86-8,023.18

Finding the Fourth Proportional to 19,116.28, 28,669.86 and 8,023.18

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Solution

The fourth proportional to 19,116.28, 28,669.86 and 8,023.18 is: 12,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.28 : 28,669.86 = 8,023.18 : x
  2. Step 2: Convert to fraction form
    19,116.28/28,669.86 = 8,023.18/x
  3. Step 3: Cross multiply
    19,116.28x = 28,669.86 × 8,023.18
  4. Step 4: Simplify right side
    19,116.28x = 230,023,447.35
  5. Step 5: Solve for x
    x = 230,023,447.35/19,116.28
  6. Step 6: Final answer
    x = 12,032.86

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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.