Home / 16,839.27-23,238-9,285.57

Finding the Fourth Proportional to 16,839.27, 23,238 and 9,285.57

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Solution

The fourth proportional to 16,839.27, 23,238 and 9,285.57 is: 12,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.27 : 23,238 = 9,285.57 : x
  2. Step 2: Convert to fraction form
    16,839.27/23,238 = 9,285.57/x
  3. Step 3: Cross multiply
    16,839.27x = 23,238 × 9,285.57
  4. Step 4: Simplify right side
    16,839.27x = 215,778,075.66
  5. Step 5: Solve for x
    x = 215,778,075.66/16,839.27
  6. Step 6: Final answer
    x = 12,813.98

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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.