Home / 22,060.88-33,148.92-20,661.20

Finding the Fourth Proportional to 22,060.88, 33,148.92 and 20,661.20

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Solution

The fourth proportional to 22,060.88, 33,148.92 and 20,661.20 is: 31,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.88 : 33,148.92 = 20,661.20 : x
  2. Step 2: Convert to fraction form
    22,060.88/33,148.92 = 20,661.20/x
  3. Step 3: Cross multiply
    22,060.88x = 33,148.92 × 20,661.20
  4. Step 4: Simplify right side
    22,060.88x = 684,896,465.90
  5. Step 5: Solve for x
    x = 684,896,465.90/22,060.88
  6. Step 6: Final answer
    x = 31,045.75

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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.