Home / 22,172.26-30,602.73-15,101.50

Finding the Fourth Proportional to 22,172.26, 30,602.73 and 15,101.50

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Solution

The fourth proportional to 22,172.26, 30,602.73 and 15,101.50 is: 20,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.26 : 30,602.73 = 15,101.50 : x
  2. Step 2: Convert to fraction form
    22,172.26/30,602.73 = 15,101.50/x
  3. Step 3: Cross multiply
    22,172.26x = 30,602.73 × 15,101.50
  4. Step 4: Simplify right side
    22,172.26x = 462,147,127.10
  5. Step 5: Solve for x
    x = 462,147,127.10/22,172.26
  6. Step 6: Final answer
    x = 20,843.48

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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.