Home / 14,975.38-20,667.92-12,453.14

Finding the Fourth Proportional to 14,975.38, 20,667.92 and 12,453.14

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Solution

The fourth proportional to 14,975.38, 20,667.92 and 12,453.14 is: 17,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.38 : 20,667.92 = 12,453.14 : x
  2. Step 2: Convert to fraction form
    14,975.38/20,667.92 = 12,453.14/x
  3. Step 3: Cross multiply
    14,975.38x = 20,667.92 × 12,453.14
  4. Step 4: Simplify right side
    14,975.38x = 257,380,501.27
  5. Step 5: Solve for x
    x = 257,380,501.27/14,975.38
  6. Step 6: Final answer
    x = 17,186.91

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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.