Home / 22,171.26-30,601.35-15,100.50

Finding the Fourth Proportional to 22,171.26, 30,601.35 and 15,100.50

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Solution

The fourth proportional to 22,171.26, 30,601.35 and 15,100.50 is: 20,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.26 : 30,601.35 = 15,100.50 : x
  2. Step 2: Convert to fraction form
    22,171.26/30,601.35 = 15,100.50/x
  3. Step 3: Cross multiply
    22,171.26x = 30,601.35 × 15,100.50
  4. Step 4: Simplify right side
    22,171.26x = 462,095,685.68
  5. Step 5: Solve for x
    x = 462,095,685.68/22,171.26
  6. Step 6: Final answer
    x = 20,842.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.