Home / 13,177.74-19,773.90-5,392.02

Finding the Fourth Proportional to 13,177.74, 19,773.90 and 5,392.02

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Solution

The fourth proportional to 13,177.74, 19,773.90 and 5,392.02 is: 8,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.74 : 19,773.90 = 5,392.02 : x
  2. Step 2: Convert to fraction form
    13,177.74/19,773.90 = 5,392.02/x
  3. Step 3: Cross multiply
    13,177.74x = 19,773.90 × 5,392.02
  4. Step 4: Simplify right side
    13,177.74x = 106,621,264.28
  5. Step 5: Solve for x
    x = 106,621,264.28/13,177.74
  6. Step 6: Final answer
    x = 8,091.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.