Home / 16,222.19-22,386.65-8,770.19

Finding the Fourth Proportional to 16,222.19, 22,386.65 and 8,770.19

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Solution

The fourth proportional to 16,222.19, 22,386.65 and 8,770.19 is: 12,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.19 : 22,386.65 = 8,770.19 : x
  2. Step 2: Convert to fraction form
    16,222.19/22,386.65 = 8,770.19/x
  3. Step 3: Cross multiply
    16,222.19x = 22,386.65 × 8,770.19
  4. Step 4: Simplify right side
    16,222.19x = 196,335,173.96
  5. Step 5: Solve for x
    x = 196,335,173.96/16,222.19
  6. Step 6: Final answer
    x = 12,102.88

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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.