Home / 22,116.60-33,126.30-13,336.20

Finding the Fourth Proportional to 22,116.60, 33,126.30 and 13,336.20

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Solution

The fourth proportional to 22,116.60, 33,126.30 and 13,336.20 is: 19,974.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.60 : 33,126.30 = 13,336.20 : x
  2. Step 2: Convert to fraction form
    22,116.60/33,126.30 = 13,336.20/x
  3. Step 3: Cross multiply
    22,116.60x = 33,126.30 × 13,336.20
  4. Step 4: Simplify right side
    22,116.60x = 441,778,962.06
  5. Step 5: Solve for x
    x = 441,778,962.06/22,116.60
  6. Step 6: Final answer
    x = 19,974.99

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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.