Home / 27,351.95-37,749.24-15,419.03

Finding the Fourth Proportional to 27,351.95, 37,749.24 and 15,419.03

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Solution

The fourth proportional to 27,351.95, 37,749.24 and 15,419.03 is: 21,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351.95 : 37,749.24 = 15,419.03 : x
  2. Step 2: Convert to fraction form
    27,351.95/37,749.24 = 15,419.03/x
  3. Step 3: Cross multiply
    27,351.95x = 37,749.24 × 15,419.03
  4. Step 4: Simplify right side
    27,351.95x = 582,056,475.29
  5. Step 5: Solve for x
    x = 582,056,475.29/27,351.95
  6. Step 6: Final answer
    x = 21,280.26

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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.