Home / 13,877.73-19,145.97-8,495.28

Finding the Fourth Proportional to 13,877.73, 19,145.97 and 8,495.28

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Solution

The fourth proportional to 13,877.73, 19,145.97 and 8,495.28 is: 11,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.73 : 19,145.97 = 8,495.28 : x
  2. Step 2: Convert to fraction form
    13,877.73/19,145.97 = 8,495.28/x
  3. Step 3: Cross multiply
    13,877.73x = 19,145.97 × 8,495.28
  4. Step 4: Simplify right side
    13,877.73x = 162,650,376.02
  5. Step 5: Solve for x
    x = 162,650,376.02/13,877.73
  6. Step 6: Final answer
    x = 11,720.24

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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.