Home / 25,173.41-37,727.79-21,270.62

Finding the Fourth Proportional to 25,173.41, 37,727.79 and 21,270.62

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Solution

The fourth proportional to 25,173.41, 37,727.79 and 21,270.62 is: 31,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.41 : 37,727.79 = 21,270.62 : x
  2. Step 2: Convert to fraction form
    25,173.41/37,727.79 = 21,270.62/x
  3. Step 3: Cross multiply
    25,173.41x = 37,727.79 × 21,270.62
  4. Step 4: Simplify right side
    25,173.41x = 802,493,295.89
  5. Step 5: Solve for x
    x = 802,493,295.89/25,173.41
  6. Step 6: Final answer
    x = 31,878.62

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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.