Home / 15,503.70-23,255.24-5,115.46

Finding the Fourth Proportional to 15,503.70, 23,255.24 and 5,115.46

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Solution

The fourth proportional to 15,503.70, 23,255.24 and 5,115.46 is: 7,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.70 : 23,255.24 = 5,115.46 : x
  2. Step 2: Convert to fraction form
    15,503.70/23,255.24 = 5,115.46/x
  3. Step 3: Cross multiply
    15,503.70x = 23,255.24 × 5,115.46
  4. Step 4: Simplify right side
    15,503.70x = 118,961,250.01
  5. Step 5: Solve for x
    x = 118,961,250.01/15,503.70
  6. Step 6: Final answer
    x = 7,673.09

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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.