Home / 16,969.80-23,418.27-9,417.27

Finding the Fourth Proportional to 16,969.80, 23,418.27 and 9,417.27

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Solution

The fourth proportional to 16,969.80, 23,418.27 and 9,417.27 is: 12,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.80 : 23,418.27 = 9,417.27 : x
  2. Step 2: Convert to fraction form
    16,969.80/23,418.27 = 9,417.27/x
  3. Step 3: Cross multiply
    16,969.80x = 23,418.27 × 9,417.27
  4. Step 4: Simplify right side
    16,969.80x = 220,536,171.52
  5. Step 5: Solve for x
    x = 220,536,171.52/16,969.80
  6. Step 6: Final answer
    x = 12,995.80

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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.