Home / 21,422.22-32,141.03-9,575.01

Finding the Fourth Proportional to 21,422.22, 32,141.03 and 9,575.01

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Solution

The fourth proportional to 21,422.22, 32,141.03 and 9,575.01 is: 14,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422.22 : 32,141.03 = 9,575.01 : x
  2. Step 2: Convert to fraction form
    21,422.22/32,141.03 = 9,575.01/x
  3. Step 3: Cross multiply
    21,422.22x = 32,141.03 × 9,575.01
  4. Step 4: Simplify right side
    21,422.22x = 307,750,635.79
  5. Step 5: Solve for x
    x = 307,750,635.79/21,422.22
  6. Step 6: Final answer
    x = 14,365.95

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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.