Home / 14,975.44-20,667.27-8,262.40

Finding the Fourth Proportional to 14,975.44, 20,667.27 and 8,262.40

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Solution

The fourth proportional to 14,975.44, 20,667.27 and 8,262.40 is: 11,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.44 : 20,667.27 = 8,262.40 : x
  2. Step 2: Convert to fraction form
    14,975.44/20,667.27 = 8,262.40/x
  3. Step 3: Cross multiply
    14,975.44x = 20,667.27 × 8,262.40
  4. Step 4: Simplify right side
    14,975.44x = 170,761,251.65
  5. Step 5: Solve for x
    x = 170,761,251.65/14,975.44
  6. Step 6: Final answer
    x = 11,402.75

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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.