Home / 25,131.42-37,705.64-15,778.35

Finding the Fourth Proportional to 25,131.42, 37,705.64 and 15,778.35

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Solution

The fourth proportional to 25,131.42, 37,705.64 and 15,778.35 is: 23,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.42 : 37,705.64 = 15,778.35 : x
  2. Step 2: Convert to fraction form
    25,131.42/37,705.64 = 15,778.35/x
  3. Step 3: Cross multiply
    25,131.42x = 37,705.64 × 15,778.35
  4. Step 4: Simplify right side
    25,131.42x = 594,932,706.00
  5. Step 5: Solve for x
    x = 594,932,706.00/25,131.42
  6. Step 6: Final answer
    x = 23,672.86

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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.