Home / 15,644.03-23,465.64-5,255.78

Finding the Fourth Proportional to 15,644.03, 23,465.64 and 5,255.78

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Solution

The fourth proportional to 15,644.03, 23,465.64 and 5,255.78 is: 7,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.03 : 23,465.64 = 5,255.78 : x
  2. Step 2: Convert to fraction form
    15,644.03/23,465.64 = 5,255.78/x
  3. Step 3: Cross multiply
    15,644.03x = 23,465.64 × 5,255.78
  4. Step 4: Simplify right side
    15,644.03x = 123,330,241.40
  5. Step 5: Solve for x
    x = 123,330,241.40/15,644.03
  6. Step 6: Final answer
    x = 7,883.53

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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.