Home / 22,619.92-33,765.12-20,952.32

Finding the Fourth Proportional to 22,619.92, 33,765.12 and 20,952.32

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Solution

The fourth proportional to 22,619.92, 33,765.12 and 20,952.32 is: 31,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.92 : 33,765.12 = 20,952.32 : x
  2. Step 2: Convert to fraction form
    22,619.92/33,765.12 = 20,952.32/x
  3. Step 3: Cross multiply
    22,619.92x = 33,765.12 × 20,952.32
  4. Step 4: Simplify right side
    22,619.92x = 707,457,599.08
  5. Step 5: Solve for x
    x = 707,457,599.08/22,619.92
  6. Step 6: Final answer
    x = 31,275.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.