Home / 22,145.40-30,559.73-12,073.59

Finding the Fourth Proportional to 22,145.40, 30,559.73 and 12,073.59

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Solution

The fourth proportional to 22,145.40, 30,559.73 and 12,073.59 is: 16,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.40 : 30,559.73 = 12,073.59 : x
  2. Step 2: Convert to fraction form
    22,145.40/30,559.73 = 12,073.59/x
  3. Step 3: Cross multiply
    22,145.40x = 30,559.73 × 12,073.59
  4. Step 4: Simplify right side
    22,145.40x = 368,965,590.16
  5. Step 5: Solve for x
    x = 368,965,590.16/22,145.40
  6. Step 6: Final answer
    x = 16,661.05

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Double scale
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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.