Home / 23,029.20-31,771.98-15,075.96

Finding the Fourth Proportional to 23,029.20, 31,771.98 and 15,075.96

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Solution

The fourth proportional to 23,029.20, 31,771.98 and 15,075.96 is: 20,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,029.20 : 31,771.98 = 15,075.96 : x
  2. Step 2: Convert to fraction form
    23,029.20/31,771.98 = 15,075.96/x
  3. Step 3: Cross multiply
    23,029.20x = 31,771.98 × 15,075.96
  4. Step 4: Simplify right side
    23,029.20x = 478,993,099.60
  5. Step 5: Solve for x
    x = 478,993,099.60/23,029.20
  6. Step 6: Final answer
    x = 20,799.38

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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.