Home / 13,217.08-19,816.98-4,449.64

Finding the Fourth Proportional to 13,217.08, 19,816.98 and 4,449.64

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Solution

The fourth proportional to 13,217.08, 19,816.98 and 4,449.64 is: 6,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.08 : 19,816.98 = 4,449.64 : x
  2. Step 2: Convert to fraction form
    13,217.08/19,816.98 = 4,449.64/x
  3. Step 3: Cross multiply
    13,217.08x = 19,816.98 × 4,449.64
  4. Step 4: Simplify right side
    13,217.08x = 88,178,426.89
  5. Step 5: Solve for x
    x = 88,178,426.89/13,217.08
  6. Step 6: Final answer
    x = 6,671.55

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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.