Home / 19,845.60-27,387.43-10,893.02

Finding the Fourth Proportional to 19,845.60, 27,387.43 and 10,893.02

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Solution

The fourth proportional to 19,845.60, 27,387.43 and 10,893.02 is: 15,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.60 : 27,387.43 = 10,893.02 : x
  2. Step 2: Convert to fraction form
    19,845.60/27,387.43 = 10,893.02/x
  3. Step 3: Cross multiply
    19,845.60x = 27,387.43 × 10,893.02
  4. Step 4: Simplify right side
    19,845.60x = 298,331,822.74
  5. Step 5: Solve for x
    x = 298,331,822.74/19,845.60
  6. Step 6: Final answer
    x = 15,032.64

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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.