Home / 18,122.41-27,162.51-7,024.24

Finding the Fourth Proportional to 18,122.41, 27,162.51 and 7,024.24

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Solution

The fourth proportional to 18,122.41, 27,162.51 and 7,024.24 is: 10,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.41 : 27,162.51 = 7,024.24 : x
  2. Step 2: Convert to fraction form
    18,122.41/27,162.51 = 7,024.24/x
  3. Step 3: Cross multiply
    18,122.41x = 27,162.51 × 7,024.24
  4. Step 4: Simplify right side
    18,122.41x = 190,795,989.24
  5. Step 5: Solve for x
    x = 190,795,989.24/18,122.41
  6. Step 6: Final answer
    x = 10,528.18

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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.