Home / 53,032.12-79,546.30-13,589.60

Finding the Fourth Proportional to 53,032.12, 79,546.30 and 13,589.60

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Solution

The fourth proportional to 53,032.12, 79,546.30 and 13,589.60 is: 20,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,032.12 : 79,546.30 = 13,589.60 : x
  2. Step 2: Convert to fraction form
    53,032.12/79,546.30 = 13,589.60/x
  3. Step 3: Cross multiply
    53,032.12x = 79,546.30 × 13,589.60
  4. Step 4: Simplify right side
    53,032.12x = 1,081,002,398.48
  5. Step 5: Solve for x
    x = 1,081,002,398.48/53,032.12
  6. Step 6: Final answer
    x = 20,383.92

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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.