Home / 16,718.11-23,071.26-9,165.16

Finding the Fourth Proportional to 16,718.11, 23,071.26 and 9,165.16

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Solution

The fourth proportional to 16,718.11, 23,071.26 and 9,165.16 is: 12,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.11 : 23,071.26 = 9,165.16 : x
  2. Step 2: Convert to fraction form
    16,718.11/23,071.26 = 9,165.16/x
  3. Step 3: Cross multiply
    16,718.11x = 23,071.26 × 9,165.16
  4. Step 4: Simplify right side
    16,718.11x = 211,451,789.30
  5. Step 5: Solve for x
    x = 211,451,789.30/16,718.11
  6. Step 6: Final answer
    x = 12,648.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.