Home / 14,770.72-22,140.88-6,449.18

Finding the Fourth Proportional to 14,770.72, 22,140.88 and 6,449.18

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Solution

The fourth proportional to 14,770.72, 22,140.88 and 6,449.18 is: 9,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.72 : 22,140.88 = 6,449.18 : x
  2. Step 2: Convert to fraction form
    14,770.72/22,140.88 = 6,449.18/x
  3. Step 3: Cross multiply
    14,770.72x = 22,140.88 × 6,449.18
  4. Step 4: Simplify right side
    14,770.72x = 142,790,520.48
  5. Step 5: Solve for x
    x = 142,790,520.48/14,770.72
  6. Step 6: Final answer
    x = 9,667.13

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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.