Home / 15,907.23-23,861.45-4,220.55

Finding the Fourth Proportional to 15,907.23, 23,861.45 and 4,220.55

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Solution

The fourth proportional to 15,907.23, 23,861.45 and 4,220.55 is: 6,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.23 : 23,861.45 = 4,220.55 : x
  2. Step 2: Convert to fraction form
    15,907.23/23,861.45 = 4,220.55/x
  3. Step 3: Cross multiply
    15,907.23x = 23,861.45 × 4,220.55
  4. Step 4: Simplify right side
    15,907.23x = 100,708,453.35
  5. Step 5: Solve for x
    x = 100,708,453.35/15,907.23
  6. Step 6: Final answer
    x = 6,330.99

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.