Home / 19,254.06-28,876.08-8,155.03

Finding the Fourth Proportional to 19,254.06, 28,876.08 and 8,155.03

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Solution

The fourth proportional to 19,254.06, 28,876.08 and 8,155.03 is: 12,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.06 : 28,876.08 = 8,155.03 : x
  2. Step 2: Convert to fraction form
    19,254.06/28,876.08 = 8,155.03/x
  3. Step 3: Cross multiply
    19,254.06x = 28,876.08 × 8,155.03
  4. Step 4: Simplify right side
    19,254.06x = 235,485,298.68
  5. Step 5: Solve for x
    x = 235,485,298.68/19,254.06
  6. Step 6: Final answer
    x = 12,230.42

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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.