Home / 12,671.92-19,002.38-4,875.26

Finding the Fourth Proportional to 12,671.92, 19,002.38 and 4,875.26

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Solution

The fourth proportional to 12,671.92, 19,002.38 and 4,875.26 is: 7,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.92 : 19,002.38 = 4,875.26 : x
  2. Step 2: Convert to fraction form
    12,671.92/19,002.38 = 4,875.26/x
  3. Step 3: Cross multiply
    12,671.92x = 19,002.38 × 4,875.26
  4. Step 4: Simplify right side
    12,671.92x = 92,641,543.12
  5. Step 5: Solve for x
    x = 92,641,543.12/12,671.92
  6. Step 6: Final answer
    x = 7,310.77

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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.