Home / 16,238.43-22,393.47-9,866.07

Finding the Fourth Proportional to 16,238.43, 22,393.47 and 9,866.07

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Solution

The fourth proportional to 16,238.43, 22,393.47 and 9,866.07 is: 13,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,238.43 : 22,393.47 = 9,866.07 : x
  2. Step 2: Convert to fraction form
    16,238.43/22,393.47 = 9,866.07/x
  3. Step 3: Cross multiply
    16,238.43x = 22,393.47 × 9,866.07
  4. Step 4: Simplify right side
    16,238.43x = 220,935,542.56
  5. Step 5: Solve for x
    x = 220,935,542.56/16,238.43
  6. Step 6: Final answer
    x = 13,605.72

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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.