Home / 15,907.05-23,861.01-4,220.25

Finding the Fourth Proportional to 15,907.05, 23,861.01 and 4,220.25

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Solution

The fourth proportional to 15,907.05, 23,861.01 and 4,220.25 is: 6,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.05 : 23,861.01 = 4,220.25 : x
  2. Step 2: Convert to fraction form
    15,907.05/23,861.01 = 4,220.25/x
  3. Step 3: Cross multiply
    15,907.05x = 23,861.01 × 4,220.25
  4. Step 4: Simplify right side
    15,907.05x = 100,699,427.45
  5. Step 5: Solve for x
    x = 100,699,427.45/15,907.05
  6. Step 6: Final answer
    x = 6,330.49

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Double scale
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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.