Home / 21,993.12-32,987.08-6,199.34

Finding the Fourth Proportional to 21,993.12, 32,987.08 and 6,199.34

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Solution

The fourth proportional to 21,993.12, 32,987.08 and 6,199.34 is: 9,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993.12 : 32,987.08 = 6,199.34 : x
  2. Step 2: Convert to fraction form
    21,993.12/32,987.08 = 6,199.34/x
  3. Step 3: Cross multiply
    21,993.12x = 32,987.08 × 6,199.34
  4. Step 4: Simplify right side
    21,993.12x = 204,497,967.34
  5. Step 5: Solve for x
    x = 204,497,967.34/21,993.12
  6. Step 6: Final answer
    x = 9,298.27

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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.