Home / 27,181.25-37,510.20-15,858.53

Finding the Fourth Proportional to 27,181.25, 37,510.20 and 15,858.53

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Solution

The fourth proportional to 27,181.25, 37,510.20 and 15,858.53 is: 21,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.25 : 37,510.20 = 15,858.53 : x
  2. Step 2: Convert to fraction form
    27,181.25/37,510.20 = 15,858.53/x
  3. Step 3: Cross multiply
    27,181.25x = 37,510.20 × 15,858.53
  4. Step 4: Simplify right side
    27,181.25x = 594,856,552.71
  5. Step 5: Solve for x
    x = 594,856,552.71/27,181.25
  6. Step 6: Final answer
    x = 21,884.81

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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.