Home / 25,136.53-37,712.99-11,987.19

Finding the Fourth Proportional to 25,136.53, 37,712.99 and 11,987.19

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Solution

The fourth proportional to 25,136.53, 37,712.99 and 11,987.19 is: 17,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.53 : 37,712.99 = 11,987.19 : x
  2. Step 2: Convert to fraction form
    25,136.53/37,712.99 = 11,987.19/x
  3. Step 3: Cross multiply
    25,136.53x = 37,712.99 × 11,987.19
  4. Step 4: Simplify right side
    25,136.53x = 452,072,806.57
  5. Step 5: Solve for x
    x = 452,072,806.57/25,136.53
  6. Step 6: Final answer
    x = 17,984.70

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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.