Home / 16,984.06-23,436.46-9,909.12

Finding the Fourth Proportional to 16,984.06, 23,436.46 and 9,909.12

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Solution

The fourth proportional to 16,984.06, 23,436.46 and 9,909.12 is: 13,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.06 : 23,436.46 = 9,909.12 : x
  2. Step 2: Convert to fraction form
    16,984.06/23,436.46 = 9,909.12/x
  3. Step 3: Cross multiply
    16,984.06x = 23,436.46 × 9,909.12
  4. Step 4: Simplify right side
    16,984.06x = 232,234,694.52
  5. Step 5: Solve for x
    x = 232,234,694.52/16,984.06
  6. Step 6: Final answer
    x = 13,673.69

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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.