Home / 14,131.26-21,194.46-5,124.47

Finding the Fourth Proportional to 14,131.26, 21,194.46 and 5,124.47

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Solution

The fourth proportional to 14,131.26, 21,194.46 and 5,124.47 is: 7,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.26 : 21,194.46 = 5,124.47 : x
  2. Step 2: Convert to fraction form
    14,131.26/21,194.46 = 5,124.47/x
  3. Step 3: Cross multiply
    14,131.26x = 21,194.46 × 5,124.47
  4. Step 4: Simplify right side
    14,131.26x = 108,610,268.46
  5. Step 5: Solve for x
    x = 108,610,268.46/14,131.26
  6. Step 6: Final answer
    x = 7,685.82

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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.