Home / 13,280.60-19,927.97-5,890.37

Finding the Fourth Proportional to 13,280.60, 19,927.97 and 5,890.37

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Solution

The fourth proportional to 13,280.60, 19,927.97 and 5,890.37 is: 8,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.60 : 19,927.97 = 5,890.37 : x
  2. Step 2: Convert to fraction form
    13,280.60/19,927.97 = 5,890.37/x
  3. Step 3: Cross multiply
    13,280.60x = 19,927.97 × 5,890.37
  4. Step 4: Simplify right side
    13,280.60x = 117,382,987.56
  5. Step 5: Solve for x
    x = 117,382,987.56/13,280.60
  6. Step 6: Final answer
    x = 8,838.68

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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.