Home / 21,727.96-32,594.60-7,685.08

Finding the Fourth Proportional to 21,727.96, 32,594.60 and 7,685.08

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Solution

The fourth proportional to 21,727.96, 32,594.60 and 7,685.08 is: 11,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.96 : 32,594.60 = 7,685.08 : x
  2. Step 2: Convert to fraction form
    21,727.96/32,594.60 = 7,685.08/x
  3. Step 3: Cross multiply
    21,727.96x = 32,594.60 × 7,685.08
  4. Step 4: Simplify right side
    21,727.96x = 250,492,108.57
  5. Step 5: Solve for x
    x = 250,492,108.57/21,727.96
  6. Step 6: Final answer
    x = 11,528.56

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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.