Home / 19,100.52-28,652.40-6,616.80

Finding the Fourth Proportional to 19,100.52, 28,652.40 and 6,616.80

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Solution

The fourth proportional to 19,100.52, 28,652.40 and 6,616.80 is: 9,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.52 : 28,652.40 = 6,616.80 : x
  2. Step 2: Convert to fraction form
    19,100.52/28,652.40 = 6,616.80/x
  3. Step 3: Cross multiply
    19,100.52x = 28,652.40 × 6,616.80
  4. Step 4: Simplify right side
    19,100.52x = 189,587,200.32
  5. Step 5: Solve for x
    x = 189,587,200.32/19,100.52
  6. Step 6: Final answer
    x = 9,925.76

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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.