Home / 21,905.48-32,858.24-6,109.88

Finding the Fourth Proportional to 21,905.48, 32,858.24 and 6,109.88

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Solution

The fourth proportional to 21,905.48, 32,858.24 and 6,109.88 is: 9,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,905.48 : 32,858.24 = 6,109.88 : x
  2. Step 2: Convert to fraction form
    21,905.48/32,858.24 = 6,109.88/x
  3. Step 3: Cross multiply
    21,905.48x = 32,858.24 × 6,109.88
  4. Step 4: Simplify right side
    21,905.48x = 200,759,708.57
  5. Step 5: Solve for x
    x = 200,759,708.57/21,905.48
  6. Step 6: Final answer
    x = 9,164.82

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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.