Home / 53,774.64-80,661.68-13,793.44

Finding the Fourth Proportional to 53,774.64, 80,661.68 and 13,793.44

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Solution

The fourth proportional to 53,774.64, 80,661.68 and 13,793.44 is: 20,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,774.64 : 80,661.68 = 13,793.44 : x
  2. Step 2: Convert to fraction form
    53,774.64/80,661.68 = 13,793.44/x
  3. Step 3: Cross multiply
    53,774.64x = 80,661.68 × 13,793.44
  4. Step 4: Simplify right side
    53,774.64x = 1,112,602,043.38
  5. Step 5: Solve for x
    x = 1,112,602,043.38/53,774.64
  6. Step 6: Final answer
    x = 20,690.09

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1.5x scale

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.