Home / 22,263.10-30,722.78-12,702.73

Finding the Fourth Proportional to 22,263.10, 30,722.78 and 12,702.73

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Solution

The fourth proportional to 22,263.10, 30,722.78 and 12,702.73 is: 17,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.10 : 30,722.78 = 12,702.73 : x
  2. Step 2: Convert to fraction form
    22,263.10/30,722.78 = 12,702.73/x
  3. Step 3: Cross multiply
    22,263.10x = 30,722.78 × 12,702.73
  4. Step 4: Simplify right side
    22,263.10x = 390,263,179.19
  5. Step 5: Solve for x
    x = 390,263,179.19/22,263.10
  6. Step 6: Final answer
    x = 17,529.60

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Half scale
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Double 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.