Home / 15,458.33-23,187.55-3,771.55

Finding the Fourth Proportional to 15,458.33, 23,187.55 and 3,771.55

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Solution

The fourth proportional to 15,458.33, 23,187.55 and 3,771.55 is: 5,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.33 : 23,187.55 = 3,771.55 : x
  2. Step 2: Convert to fraction form
    15,458.33/23,187.55 = 3,771.55/x
  3. Step 3: Cross multiply
    15,458.33x = 23,187.55 × 3,771.55
  4. Step 4: Simplify right side
    15,458.33x = 87,453,014.13
  5. Step 5: Solve for x
    x = 87,453,014.13/15,458.33
  6. Step 6: Final answer
    x = 5,657.34

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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.