Home / 21,449.74-32,118.90-14,806.75

Finding the Fourth Proportional to 21,449.74, 32,118.90 and 14,806.75

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Solution

The fourth proportional to 21,449.74, 32,118.90 and 14,806.75 is: 22,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.74 : 32,118.90 = 14,806.75 : x
  2. Step 2: Convert to fraction form
    21,449.74/32,118.90 = 14,806.75/x
  3. Step 3: Cross multiply
    21,449.74x = 32,118.90 × 14,806.75
  4. Step 4: Simplify right side
    21,449.74x = 475,576,522.58
  5. Step 5: Solve for x
    x = 475,576,522.58/21,449.74
  6. Step 6: Final answer
    x = 22,171.67

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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.