Home / 25,231.20-37,852.20-7,702.80

Finding the Fourth Proportional to 25,231.20, 37,852.20 and 7,702.80

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Solution

The fourth proportional to 25,231.20, 37,852.20 and 7,702.80 is: 11,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,231.20 : 37,852.20 = 7,702.80 : x
  2. Step 2: Convert to fraction form
    25,231.20/37,852.20 = 7,702.80/x
  3. Step 3: Cross multiply
    25,231.20x = 37,852.20 × 7,702.80
  4. Step 4: Simplify right side
    25,231.20x = 291,567,926.16
  5. Step 5: Solve for x
    x = 291,567,926.16/25,231.20
  6. Step 6: Final answer
    x = 11,555.85

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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.