Home / 22,053.72-30,433.76-11,982.32

Finding the Fourth Proportional to 22,053.72, 30,433.76 and 11,982.32

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Solution

The fourth proportional to 22,053.72, 30,433.76 and 11,982.32 is: 16,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.72 : 30,433.76 = 11,982.32 : x
  2. Step 2: Convert to fraction form
    22,053.72/30,433.76 = 11,982.32/x
  3. Step 3: Cross multiply
    22,053.72x = 30,433.76 × 11,982.32
  4. Step 4: Simplify right side
    22,053.72x = 364,667,134.25
  5. Step 5: Solve for x
    x = 364,667,134.25/22,053.72
  6. Step 6: Final answer
    x = 16,535.40

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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.