Home / 27,138.66-37,449.54-15,199.26

Finding the Fourth Proportional to 27,138.66, 37,449.54 and 15,199.26

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Solution

The fourth proportional to 27,138.66, 37,449.54 and 15,199.26 is: 20,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.66 : 37,449.54 = 15,199.26 : x
  2. Step 2: Convert to fraction form
    27,138.66/37,449.54 = 15,199.26/x
  3. Step 3: Cross multiply
    27,138.66x = 37,449.54 × 15,199.26
  4. Step 4: Simplify right side
    27,138.66x = 569,205,295.34
  5. Step 5: Solve for x
    x = 569,205,295.34/27,138.66
  6. Step 6: Final answer
    x = 20,973.96

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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.