Home / 21,581.48-32,366.19-13,672.24

Finding the Fourth Proportional to 21,581.48, 32,366.19 and 13,672.24

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Solution

The fourth proportional to 21,581.48, 32,366.19 and 13,672.24 is: 20,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.48 : 32,366.19 = 13,672.24 : x
  2. Step 2: Convert to fraction form
    21,581.48/32,366.19 = 13,672.24/x
  3. Step 3: Cross multiply
    21,581.48x = 32,366.19 × 13,672.24
  4. Step 4: Simplify right side
    21,581.48x = 442,518,317.57
  5. Step 5: Solve for x
    x = 442,518,317.57/21,581.48
  6. Step 6: Final answer
    x = 20,504.54

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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.