Home / 16,969.59-23,418.18-9,416.43

Finding the Fourth Proportional to 16,969.59, 23,418.18 and 9,416.43

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Solution

The fourth proportional to 16,969.59, 23,418.18 and 9,416.43 is: 12,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.59 : 23,418.18 = 9,416.43 : x
  2. Step 2: Convert to fraction form
    16,969.59/23,418.18 = 9,416.43/x
  3. Step 3: Cross multiply
    16,969.59x = 23,418.18 × 9,416.43
  4. Step 4: Simplify right side
    16,969.59x = 220,515,652.70
  5. Step 5: Solve for x
    x = 220,515,652.70/16,969.59
  6. Step 6: Final answer
    x = 12,994.75

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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.