Home / 16,993.06-23,449.76-9,439.87

Finding the Fourth Proportional to 16,993.06, 23,449.76 and 9,439.87

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Solution

The fourth proportional to 16,993.06, 23,449.76 and 9,439.87 is: 13,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.06 : 23,449.76 = 9,439.87 : x
  2. Step 2: Convert to fraction form
    16,993.06/23,449.76 = 9,439.87/x
  3. Step 3: Cross multiply
    16,993.06x = 23,449.76 × 9,439.87
  4. Step 4: Simplify right side
    16,993.06x = 221,362,580.11
  5. Step 5: Solve for x
    x = 221,362,580.11/16,993.06
  6. Step 6: Final answer
    x = 13,026.65

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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.