Home / 13,248.60-19,875.87-6,129.24

Finding the Fourth Proportional to 13,248.60, 19,875.87 and 6,129.24

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Solution

The fourth proportional to 13,248.60, 19,875.87 and 6,129.24 is: 9,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.60 : 19,875.87 = 6,129.24 : x
  2. Step 2: Convert to fraction form
    13,248.60/19,875.87 = 6,129.24/x
  3. Step 3: Cross multiply
    13,248.60x = 19,875.87 × 6,129.24
  4. Step 4: Simplify right side
    13,248.60x = 121,823,977.44
  5. Step 5: Solve for x
    x = 121,823,977.44/13,248.60
  6. Step 6: Final answer
    x = 9,195.23

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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.