Home / 22,127.28-33,162.21-8,972.47

Finding the Fourth Proportional to 22,127.28, 33,162.21 and 8,972.47

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Solution

The fourth proportional to 22,127.28, 33,162.21 and 8,972.47 is: 13,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.28 : 33,162.21 = 8,972.47 : x
  2. Step 2: Convert to fraction form
    22,127.28/33,162.21 = 8,972.47/x
  3. Step 3: Cross multiply
    22,127.28x = 33,162.21 × 8,972.47
  4. Step 4: Simplify right side
    22,127.28x = 297,546,975.81
  5. Step 5: Solve for x
    x = 297,546,975.81/22,127.28
  6. Step 6: Final answer
    x = 13,447.07

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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.