Home / 14,976.55-20,667.18-8,261.92

Finding the Fourth Proportional to 14,976.55, 20,667.18 and 8,261.92

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Solution

The fourth proportional to 14,976.55, 20,667.18 and 8,261.92 is: 11,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.55 : 20,667.18 = 8,261.92 : x
  2. Step 2: Convert to fraction form
    14,976.55/20,667.18 = 8,261.92/x
  3. Step 3: Cross multiply
    14,976.55x = 20,667.18 × 8,261.92
  4. Step 4: Simplify right side
    14,976.55x = 170,750,587.79
  5. Step 5: Solve for x
    x = 170,750,587.79/14,976.55
  6. Step 6: Final answer
    x = 11,401.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.