Home / 13,027.28-17,977.47-7,362.02

Finding the Fourth Proportional to 13,027.28, 17,977.47 and 7,362.02

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Solution

The fourth proportional to 13,027.28, 17,977.47 and 7,362.02 is: 10,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.28 : 17,977.47 = 7,362.02 : x
  2. Step 2: Convert to fraction form
    13,027.28/17,977.47 = 7,362.02/x
  3. Step 3: Cross multiply
    13,027.28x = 17,977.47 × 7,362.02
  4. Step 4: Simplify right side
    13,027.28x = 132,350,403.80
  5. Step 5: Solve for x
    x = 132,350,403.80/13,027.28
  6. Step 6: Final answer
    x = 10,159.48

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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.