Home / 28,094.82-42,143.85-10,564.80

Finding the Fourth Proportional to 28,094.82, 42,143.85 and 10,564.80

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Solution

The fourth proportional to 28,094.82, 42,143.85 and 10,564.80 is: 15,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.82 : 42,143.85 = 10,564.80 : x
  2. Step 2: Convert to fraction form
    28,094.82/42,143.85 = 10,564.80/x
  3. Step 3: Cross multiply
    28,094.82x = 42,143.85 × 10,564.80
  4. Step 4: Simplify right side
    28,094.82x = 445,241,346.48
  5. Step 5: Solve for x
    x = 445,241,346.48/28,094.82
  6. Step 6: Final answer
    x = 15,847.81

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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.