Home / 13,414.76-20,115.36-4,647.32

Finding the Fourth Proportional to 13,414.76, 20,115.36 and 4,647.32

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Solution

The fourth proportional to 13,414.76, 20,115.36 and 4,647.32 is: 6,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.76 : 20,115.36 = 4,647.32 : x
  2. Step 2: Convert to fraction form
    13,414.76/20,115.36 = 4,647.32/x
  3. Step 3: Cross multiply
    13,414.76x = 20,115.36 × 4,647.32
  4. Step 4: Simplify right side
    13,414.76x = 93,482,514.84
  5. Step 5: Solve for x
    x = 93,482,514.84/13,414.76
  6. Step 6: Final answer
    x = 6,968.63

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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.