Home / 22,621.92-31,216.26-12,551.01

Finding the Fourth Proportional to 22,621.92, 31,216.26 and 12,551.01

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Solution

The fourth proportional to 22,621.92, 31,216.26 and 12,551.01 is: 17,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.92 : 31,216.26 = 12,551.01 : x
  2. Step 2: Convert to fraction form
    22,621.92/31,216.26 = 12,551.01/x
  3. Step 3: Cross multiply
    22,621.92x = 31,216.26 × 12,551.01
  4. Step 4: Simplify right side
    22,621.92x = 391,795,591.42
  5. Step 5: Solve for x
    x = 391,795,591.42/22,621.92
  6. Step 6: Final answer
    x = 17,319.29

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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.