Home / 15,445.75-23,168.64-6,211.75

Finding the Fourth Proportional to 15,445.75, 23,168.64 and 6,211.75

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Solution

The fourth proportional to 15,445.75, 23,168.64 and 6,211.75 is: 9,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.75 : 23,168.64 = 6,211.75 : x
  2. Step 2: Convert to fraction form
    15,445.75/23,168.64 = 6,211.75/x
  3. Step 3: Cross multiply
    15,445.75x = 23,168.64 × 6,211.75
  4. Step 4: Simplify right side
    15,445.75x = 143,917,799.52
  5. Step 5: Solve for x
    x = 143,917,799.52/15,445.75
  6. Step 6: Final answer
    x = 9,317.63

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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.