Home / 17,515.40-26,273.10-15,902.60

Finding the Fourth Proportional to 17,515.40, 26,273.10 and 15,902.60

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Solution

The fourth proportional to 17,515.40, 26,273.10 and 15,902.60 is: 23,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.40 : 26,273.10 = 15,902.60 : x
  2. Step 2: Convert to fraction form
    17,515.40/26,273.10 = 15,902.60/x
  3. Step 3: Cross multiply
    17,515.40x = 26,273.10 × 15,902.60
  4. Step 4: Simplify right side
    17,515.40x = 417,810,600.06
  5. Step 5: Solve for x
    x = 417,810,600.06/17,515.40
  6. Step 6: Final answer
    x = 23,853.90

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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.