Home / 22,163.37-30,590.69-12,737.40

Finding the Fourth Proportional to 22,163.37, 30,590.69 and 12,737.40

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Solution

The fourth proportional to 22,163.37, 30,590.69 and 12,737.40 is: 17,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.37 : 30,590.69 = 12,737.40 : x
  2. Step 2: Convert to fraction form
    22,163.37/30,590.69 = 12,737.40/x
  3. Step 3: Cross multiply
    22,163.37x = 30,590.69 × 12,737.40
  4. Step 4: Simplify right side
    22,163.37x = 389,645,854.81
  5. Step 5: Solve for x
    x = 389,645,854.81/22,163.37
  6. Step 6: Final answer
    x = 17,580.62

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Half scale
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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.