Home / 16,101.36-22,225.92-9,389.09

Finding the Fourth Proportional to 16,101.36, 22,225.92 and 9,389.09

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Solution

The fourth proportional to 16,101.36, 22,225.92 and 9,389.09 is: 12,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.36 : 22,225.92 = 9,389.09 : x
  2. Step 2: Convert to fraction form
    16,101.36/22,225.92 = 9,389.09/x
  3. Step 3: Cross multiply
    16,101.36x = 22,225.92 × 9,389.09
  4. Step 4: Simplify right side
    16,101.36x = 208,681,163.21
  5. Step 5: Solve for x
    x = 208,681,163.21/16,101.36
  6. Step 6: Final answer
    x = 12,960.47

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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.