Home / 25,146.16-37,661.82-12,007.78

Finding the Fourth Proportional to 25,146.16, 37,661.82 and 12,007.78

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Solution

The fourth proportional to 25,146.16, 37,661.82 and 12,007.78 is: 17,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146.16 : 37,661.82 = 12,007.78 : x
  2. Step 2: Convert to fraction form
    25,146.16/37,661.82 = 12,007.78/x
  3. Step 3: Cross multiply
    25,146.16x = 37,661.82 × 12,007.78
  4. Step 4: Simplify right side
    25,146.16x = 452,234,848.96
  5. Step 5: Solve for x
    x = 452,234,848.96/25,146.16
  6. Step 6: Final answer
    x = 17,984.25

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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.