Home / 16,176.39-22,322.21-9,101.45

Finding the Fourth Proportional to 16,176.39, 22,322.21 and 9,101.45

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Solution

The fourth proportional to 16,176.39, 22,322.21 and 9,101.45 is: 12,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,176.39 : 22,322.21 = 9,101.45 : x
  2. Step 2: Convert to fraction form
    16,176.39/22,322.21 = 9,101.45/x
  3. Step 3: Cross multiply
    16,176.39x = 22,322.21 × 9,101.45
  4. Step 4: Simplify right side
    16,176.39x = 203,164,321.09
  5. Step 5: Solve for x
    x = 203,164,321.09/16,176.39
  6. Step 6: Final answer
    x = 12,559.31

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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.