Home / 25,152.18-37,728.36-8,512.38

Finding the Fourth Proportional to 25,152.18, 37,728.36 and 8,512.38

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Solution

The fourth proportional to 25,152.18, 37,728.36 and 8,512.38 is: 12,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.18 : 37,728.36 = 8,512.38 : x
  2. Step 2: Convert to fraction form
    25,152.18/37,728.36 = 8,512.38/x
  3. Step 3: Cross multiply
    25,152.18x = 37,728.36 × 8,512.38
  4. Step 4: Simplify right side
    25,152.18x = 321,158,137.10
  5. Step 5: Solve for x
    x = 321,158,137.10/25,152.18
  6. Step 6: Final answer
    x = 12,768.60

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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.