Home / 13,180.14-19,772.19-4,292.57

Finding the Fourth Proportional to 13,180.14, 19,772.19 and 4,292.57

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Solution

The fourth proportional to 13,180.14, 19,772.19 and 4,292.57 is: 6,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.14 : 19,772.19 = 4,292.57 : x
  2. Step 2: Convert to fraction form
    13,180.14/19,772.19 = 4,292.57/x
  3. Step 3: Cross multiply
    13,180.14x = 19,772.19 × 4,292.57
  4. Step 4: Simplify right side
    13,180.14x = 84,873,509.63
  5. Step 5: Solve for x
    x = 84,873,509.63/13,180.14
  6. Step 6: Final answer
    x = 6,439.50

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1.5x scale

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.