Home / 22,211.76-33,316.80-6,628.98

Finding the Fourth Proportional to 22,211.76, 33,316.80 and 6,628.98

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Solution

The fourth proportional to 22,211.76, 33,316.80 and 6,628.98 is: 9,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.76 : 33,316.80 = 6,628.98 : x
  2. Step 2: Convert to fraction form
    22,211.76/33,316.80 = 6,628.98/x
  3. Step 3: Cross multiply
    22,211.76x = 33,316.80 × 6,628.98
  4. Step 4: Simplify right side
    22,211.76x = 220,856,400.86
  5. Step 5: Solve for x
    x = 220,856,400.86/22,211.76
  6. Step 6: Final answer
    x = 9,943.22

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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.