Home / 21,742.35-32,625.83-9,261.08

Finding the Fourth Proportional to 21,742.35, 32,625.83 and 9,261.08

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Solution

The fourth proportional to 21,742.35, 32,625.83 and 9,261.08 is: 13,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.35 : 32,625.83 = 9,261.08 : x
  2. Step 2: Convert to fraction form
    21,742.35/32,625.83 = 9,261.08/x
  3. Step 3: Cross multiply
    21,742.35x = 32,625.83 × 9,261.08
  4. Step 4: Simplify right side
    21,742.35x = 302,150,421.70
  5. Step 5: Solve for x
    x = 302,150,421.70/21,742.35
  6. Step 6: Final answer
    x = 13,896.86

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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.