Home / 25,255.90-37,884.04-11,212.15

Finding the Fourth Proportional to 25,255.90, 37,884.04 and 11,212.15

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Solution

The fourth proportional to 25,255.90, 37,884.04 and 11,212.15 is: 16,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.90 : 37,884.04 = 11,212.15 : x
  2. Step 2: Convert to fraction form
    25,255.90/37,884.04 = 11,212.15/x
  3. Step 3: Cross multiply
    25,255.90x = 37,884.04 × 11,212.15
  4. Step 4: Simplify right side
    25,255.90x = 424,761,416.35
  5. Step 5: Solve for x
    x = 424,761,416.35/25,255.90
  6. Step 6: Final answer
    x = 16,818.31

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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.