Home / 22,192.24-30,621.23-12,631.57

Finding the Fourth Proportional to 22,192.24, 30,621.23 and 12,631.57

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Solution

The fourth proportional to 22,192.24, 30,621.23 and 12,631.57 is: 17,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.24 : 30,621.23 = 12,631.57 : x
  2. Step 2: Convert to fraction form
    22,192.24/30,621.23 = 12,631.57/x
  3. Step 3: Cross multiply
    22,192.24x = 30,621.23 × 12,631.57
  4. Step 4: Simplify right side
    22,192.24x = 386,794,210.23
  5. Step 5: Solve for x
    x = 386,794,210.23/22,192.24
  6. Step 6: Final answer
    x = 17,429.26

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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.