Home / 16,518.11-22,795.16-8,964.51

Finding the Fourth Proportional to 16,518.11, 22,795.16 and 8,964.51

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Solution

The fourth proportional to 16,518.11, 22,795.16 and 8,964.51 is: 12,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.11 : 22,795.16 = 8,964.51 : x
  2. Step 2: Convert to fraction form
    16,518.11/22,795.16 = 8,964.51/x
  3. Step 3: Cross multiply
    16,518.11x = 22,795.16 × 8,964.51
  4. Step 4: Simplify right side
    16,518.11x = 204,347,462.18
  5. Step 5: Solve for x
    x = 204,347,462.18/16,518.11
  6. Step 6: Final answer
    x = 12,371.11

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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.