Home / 27,080.33-37,368.27-15,143.36

Finding the Fourth Proportional to 27,080.33, 37,368.27 and 15,143.36

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Solution

The fourth proportional to 27,080.33, 37,368.27 and 15,143.36 is: 20,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.33 : 37,368.27 = 15,143.36 : x
  2. Step 2: Convert to fraction form
    27,080.33/37,368.27 = 15,143.36/x
  3. Step 3: Cross multiply
    27,080.33x = 37,368.27 × 15,143.36
  4. Step 4: Simplify right side
    27,080.33x = 565,880,978.35
  5. Step 5: Solve for x
    x = 565,880,978.35/27,080.33
  6. Step 6: Final answer
    x = 20,896.39

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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.