Home / 16,263.15-22,443.09-9,189.57

Finding the Fourth Proportional to 16,263.15, 22,443.09 and 9,189.57

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Solution

The fourth proportional to 16,263.15, 22,443.09 and 9,189.57 is: 12,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,263.15 : 22,443.09 = 9,189.57 : x
  2. Step 2: Convert to fraction form
    16,263.15/22,443.09 = 9,189.57/x
  3. Step 3: Cross multiply
    16,263.15x = 22,443.09 × 9,189.57
  4. Step 4: Simplify right side
    16,263.15x = 206,242,346.57
  5. Step 5: Solve for x
    x = 206,242,346.57/16,263.15
  6. Step 6: Final answer
    x = 12,681.57

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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.