Home / 25,149.78-37,667.24-12,011.38

Finding the Fourth Proportional to 25,149.78, 37,667.24 and 12,011.38

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Solution

The fourth proportional to 25,149.78, 37,667.24 and 12,011.38 is: 17,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.78 : 37,667.24 = 12,011.38 : x
  2. Step 2: Convert to fraction form
    25,149.78/37,667.24 = 12,011.38/x
  3. Step 3: Cross multiply
    25,149.78x = 37,667.24 × 12,011.38
  4. Step 4: Simplify right side
    25,149.78x = 452,435,533.19
  5. Step 5: Solve for x
    x = 452,435,533.19/25,149.78
  6. Step 6: Final answer
    x = 17,989.64

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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.