Home / 16,969.56-23,418.12-9,415.92

Finding the Fourth Proportional to 16,969.56, 23,418.12 and 9,415.92

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Solution

The fourth proportional to 16,969.56, 23,418.12 and 9,415.92 is: 12,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.56 : 23,418.12 = 9,415.92 : x
  2. Step 2: Convert to fraction form
    16,969.56/23,418.12 = 9,415.92/x
  3. Step 3: Cross multiply
    16,969.56x = 23,418.12 × 9,415.92
  4. Step 4: Simplify right side
    16,969.56x = 220,503,144.47
  5. Step 5: Solve for x
    x = 220,503,144.47/16,969.56
  6. Step 6: Final answer
    x = 12,994.04

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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.