Home / 13,862.60-19,132.71-7,893.44

Finding the Fourth Proportional to 13,862.60, 19,132.71 and 7,893.44

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Solution

The fourth proportional to 13,862.60, 19,132.71 and 7,893.44 is: 10,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.60 : 19,132.71 = 7,893.44 : x
  2. Step 2: Convert to fraction form
    13,862.60/19,132.71 = 7,893.44/x
  3. Step 3: Cross multiply
    13,862.60x = 19,132.71 × 7,893.44
  4. Step 4: Simplify right side
    13,862.60x = 151,022,898.42
  5. Step 5: Solve for x
    x = 151,022,898.42/13,862.60
  6. Step 6: Final answer
    x = 10,894.27

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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.