Home / 25,136.20-37,709.70-7,607.80

Finding the Fourth Proportional to 25,136.20, 37,709.70 and 7,607.80

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Solution

The fourth proportional to 25,136.20, 37,709.70 and 7,607.80 is: 11,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.20 : 37,709.70 = 7,607.80 : x
  2. Step 2: Convert to fraction form
    25,136.20/37,709.70 = 7,607.80/x
  3. Step 3: Cross multiply
    25,136.20x = 37,709.70 × 7,607.80
  4. Step 4: Simplify right side
    25,136.20x = 286,887,855.66
  5. Step 5: Solve for x
    x = 286,887,855.66/25,136.20
  6. Step 6: Final answer
    x = 11,413.33

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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.