Home / 27,136.68-37,447.53-15,199.40

Finding the Fourth Proportional to 27,136.68, 37,447.53 and 15,199.40

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Solution

The fourth proportional to 27,136.68, 37,447.53 and 15,199.40 is: 20,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,136.68 : 37,447.53 = 15,199.40 : x
  2. Step 2: Convert to fraction form
    27,136.68/37,447.53 = 15,199.40/x
  3. Step 3: Cross multiply
    27,136.68x = 37,447.53 × 15,199.40
  4. Step 4: Simplify right side
    27,136.68x = 569,180,024.10
  5. Step 5: Solve for x
    x = 569,180,024.10/27,136.68
  6. Step 6: Final answer
    x = 20,974.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.