Home / 25,291.41-37,915.70-10,491.09

Finding the Fourth Proportional to 25,291.41, 37,915.70 and 10,491.09

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Solution

The fourth proportional to 25,291.41, 37,915.70 and 10,491.09 is: 15,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,291.41 : 37,915.70 = 10,491.09 : x
  2. Step 2: Convert to fraction form
    25,291.41/37,915.70 = 10,491.09/x
  3. Step 3: Cross multiply
    25,291.41x = 37,915.70 × 10,491.09
  4. Step 4: Simplify right side
    25,291.41x = 397,776,968.66
  5. Step 5: Solve for x
    x = 397,776,968.66/25,291.41
  6. Step 6: Final answer
    x = 15,727.75

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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.