Home / 13,124.52-19,686.78-4,360.14

Finding the Fourth Proportional to 13,124.52, 19,686.78 and 4,360.14

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Solution

The fourth proportional to 13,124.52, 19,686.78 and 4,360.14 is: 6,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.52 : 19,686.78 = 4,360.14 : x
  2. Step 2: Convert to fraction form
    13,124.52/19,686.78 = 4,360.14/x
  3. Step 3: Cross multiply
    13,124.52x = 19,686.78 × 4,360.14
  4. Step 4: Simplify right side
    13,124.52x = 85,837,116.95
  5. Step 5: Solve for x
    x = 85,837,116.95/13,124.52
  6. Step 6: Final answer
    x = 6,540.21

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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.