Home / 22,181.60-33,272.40-11,071.68

Finding the Fourth Proportional to 22,181.60, 33,272.40 and 11,071.68

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Solution

The fourth proportional to 22,181.60, 33,272.40 and 11,071.68 is: 16,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.60 : 33,272.40 = 11,071.68 : x
  2. Step 2: Convert to fraction form
    22,181.60/33,272.40 = 11,071.68/x
  3. Step 3: Cross multiply
    22,181.60x = 33,272.40 × 11,071.68
  4. Step 4: Simplify right side
    22,181.60x = 368,381,365.63
  5. Step 5: Solve for x
    x = 368,381,365.63/22,181.60
  6. Step 6: Final answer
    x = 16,607.52

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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.