Home / 22,110.40-33,165.60-13,340.80

Finding the Fourth Proportional to 22,110.40, 33,165.60 and 13,340.80

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Solution

The fourth proportional to 22,110.40, 33,165.60 and 13,340.80 is: 20,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.40 : 33,165.60 = 13,340.80 : x
  2. Step 2: Convert to fraction form
    22,110.40/33,165.60 = 13,340.80/x
  3. Step 3: Cross multiply
    22,110.40x = 33,165.60 × 13,340.80
  4. Step 4: Simplify right side
    22,110.40x = 442,455,636.48
  5. Step 5: Solve for x
    x = 442,455,636.48/22,110.40
  6. Step 6: Final answer
    x = 20,011.20

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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.