Home / 19,718.22-29,695.44-16,617.54

Finding the Fourth Proportional to 19,718.22, 29,695.44 and 16,617.54

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Solution

The fourth proportional to 19,718.22, 29,695.44 and 16,617.54 is: 25,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.22 : 29,695.44 = 16,617.54 : x
  2. Step 2: Convert to fraction form
    19,718.22/29,695.44 = 16,617.54/x
  3. Step 3: Cross multiply
    19,718.22x = 29,695.44 × 16,617.54
  4. Step 4: Simplify right side
    19,718.22x = 493,465,162.02
  5. Step 5: Solve for x
    x = 493,465,162.02/19,718.22
  6. Step 6: Final answer
    x = 25,025.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.