Home / 19,034.54-28,557.65-8,513.41

Finding the Fourth Proportional to 19,034.54, 28,557.65 and 8,513.41

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Solution

The fourth proportional to 19,034.54, 28,557.65 and 8,513.41 is: 12,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,034.54 : 28,557.65 = 8,513.41 : x
  2. Step 2: Convert to fraction form
    19,034.54/28,557.65 = 8,513.41/x
  3. Step 3: Cross multiply
    19,034.54x = 28,557.65 × 8,513.41
  4. Step 4: Simplify right side
    19,034.54x = 243,122,869.13
  5. Step 5: Solve for x
    x = 243,122,869.13/19,034.54
  6. Step 6: Final answer
    x = 12,772.72

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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.