Home / 53,201.52-79,801.38-13,758.48

Finding the Fourth Proportional to 53,201.52, 79,801.38 and 13,758.48

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Solution

The fourth proportional to 53,201.52, 79,801.38 and 13,758.48 is: 20,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,201.52 : 79,801.38 = 13,758.48 : x
  2. Step 2: Convert to fraction form
    53,201.52/79,801.38 = 13,758.48/x
  3. Step 3: Cross multiply
    53,201.52x = 79,801.38 × 13,758.48
  4. Step 4: Simplify right side
    53,201.52x = 1,097,945,690.70
  5. Step 5: Solve for x
    x = 1,097,945,690.70/53,201.52
  6. Step 6: Final answer
    x = 20,637.49

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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.