Home / 27,253.85-37,611.26-15,316.94

Finding the Fourth Proportional to 27,253.85, 37,611.26 and 15,316.94

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Solution

The fourth proportional to 27,253.85, 37,611.26 and 15,316.94 is: 21,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,253.85 : 37,611.26 = 15,316.94 : x
  2. Step 2: Convert to fraction form
    27,253.85/37,611.26 = 15,316.94/x
  3. Step 3: Cross multiply
    27,253.85x = 37,611.26 × 15,316.94
  4. Step 4: Simplify right side
    27,253.85x = 576,089,148.10
  5. Step 5: Solve for x
    x = 576,089,148.10/27,253.85
  6. Step 6: Final answer
    x = 21,137.90

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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.