Home / 22,976.92-31,722.84-15,331.12

Finding the Fourth Proportional to 22,976.92, 31,722.84 and 15,331.12

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Solution

The fourth proportional to 22,976.92, 31,722.84 and 15,331.12 is: 21,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,976.92 : 31,722.84 = 15,331.12 : x
  2. Step 2: Convert to fraction form
    22,976.92/31,722.84 = 15,331.12/x
  3. Step 3: Cross multiply
    22,976.92x = 31,722.84 × 15,331.12
  4. Step 4: Simplify right side
    22,976.92x = 486,346,457.80
  5. Step 5: Solve for x
    x = 486,346,457.80/22,976.92
  6. Step 6: Final answer
    x = 21,166.74

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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.