Home / 16,091.49-22,205.35-9,378.21

Finding the Fourth Proportional to 16,091.49, 22,205.35 and 9,378.21

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Solution

The fourth proportional to 16,091.49, 22,205.35 and 9,378.21 is: 12,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,091.49 : 22,205.35 = 9,378.21 : x
  2. Step 2: Convert to fraction form
    16,091.49/22,205.35 = 9,378.21/x
  3. Step 3: Cross multiply
    16,091.49x = 22,205.35 × 9,378.21
  4. Step 4: Simplify right side
    16,091.49x = 208,246,435.42
  5. Step 5: Solve for x
    x = 208,246,435.42/16,091.49
  6. Step 6: Final answer
    x = 12,941.40

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Half scale
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Double scale
Find fourth proportional to 16,092.49, 22,206.73 and 9,379.21
Similar ratio
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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.