Home / 27,618.26-38,113.60-15,043

Finding the Fourth Proportional to 27,618.26, 38,113.60 and 15,043

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Solution

The fourth proportional to 27,618.26, 38,113.60 and 15,043 is: 20,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.26 : 38,113.60 = 15,043 : x
  2. Step 2: Convert to fraction form
    27,618.26/38,113.60 = 15,043/x
  3. Step 3: Cross multiply
    27,618.26x = 38,113.60 × 15,043
  4. Step 4: Simplify right side
    27,618.26x = 573,342,884.80
  5. Step 5: Solve for x
    x = 573,342,884.80/27,618.26
  6. Step 6: Final answer
    x = 20,759.56

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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.