Home / 21,986.48-32,988.94-9,500.06

Finding the Fourth Proportional to 21,986.48, 32,988.94 and 9,500.06

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Solution

The fourth proportional to 21,986.48, 32,988.94 and 9,500.06 is: 14,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986.48 : 32,988.94 = 9,500.06 : x
  2. Step 2: Convert to fraction form
    21,986.48/32,988.94 = 9,500.06/x
  3. Step 3: Cross multiply
    21,986.48x = 32,988.94 × 9,500.06
  4. Step 4: Simplify right side
    21,986.48x = 313,396,909.34
  5. Step 5: Solve for x
    x = 313,396,909.34/21,986.48
  6. Step 6: Final answer
    x = 14,254.07

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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.