Home / 16,990.74-23,447.09-9,334.15

Finding the Fourth Proportional to 16,990.74, 23,447.09 and 9,334.15

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Solution

The fourth proportional to 16,990.74, 23,447.09 and 9,334.15 is: 12,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.74 : 23,447.09 = 9,334.15 : x
  2. Step 2: Convert to fraction form
    16,990.74/23,447.09 = 9,334.15/x
  3. Step 3: Cross multiply
    16,990.74x = 23,447.09 × 9,334.15
  4. Step 4: Simplify right side
    16,990.74x = 218,858,655.12
  5. Step 5: Solve for x
    x = 218,858,655.12/16,990.74
  6. Step 6: Final answer
    x = 12,881.05

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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.