Home / 22,038.16-33,000.80-12,166.48

Finding the Fourth Proportional to 22,038.16, 33,000.80 and 12,166.48

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Solution

The fourth proportional to 22,038.16, 33,000.80 and 12,166.48 is: 18,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.16 : 33,000.80 = 12,166.48 : x
  2. Step 2: Convert to fraction form
    22,038.16/33,000.80 = 12,166.48/x
  3. Step 3: Cross multiply
    22,038.16x = 33,000.80 × 12,166.48
  4. Step 4: Simplify right side
    22,038.16x = 401,503,573.18
  5. Step 5: Solve for x
    x = 401,503,573.18/22,038.16
  6. Step 6: Final answer
    x = 18,218.56

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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.