Home / 22,422.08-33,633.36-7,631.28

Finding the Fourth Proportional to 22,422.08, 33,633.36 and 7,631.28

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Solution

The fourth proportional to 22,422.08, 33,633.36 and 7,631.28 is: 11,447.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.08 : 33,633.36 = 7,631.28 : x
  2. Step 2: Convert to fraction form
    22,422.08/33,633.36 = 7,631.28/x
  3. Step 3: Cross multiply
    22,422.08x = 33,633.36 × 7,631.28
  4. Step 4: Simplify right side
    22,422.08x = 256,665,587.50
  5. Step 5: Solve for x
    x = 256,665,587.50/22,422.08
  6. Step 6: Final answer
    x = 11,447.00

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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.