Home / 13,410.41-20,115.62-4,645.32

Finding the Fourth Proportional to 13,410.41, 20,115.62 and 4,645.32

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Solution

The fourth proportional to 13,410.41, 20,115.62 and 4,645.32 is: 6,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.41 : 20,115.62 = 4,645.32 : x
  2. Step 2: Convert to fraction form
    13,410.41/20,115.62 = 4,645.32/x
  3. Step 3: Cross multiply
    13,410.41x = 20,115.62 × 4,645.32
  4. Step 4: Simplify right side
    13,410.41x = 93,443,468.67
  5. Step 5: Solve for x
    x = 93,443,468.67/13,410.41
  6. Step 6: Final answer
    x = 6,967.98

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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.