Home / 53,335.68-80,003.49-13,892.70

Finding the Fourth Proportional to 53,335.68, 80,003.49 and 13,892.70

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Solution

The fourth proportional to 53,335.68, 80,003.49 and 13,892.70 is: 20,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,335.68 : 80,003.49 = 13,892.70 : x
  2. Step 2: Convert to fraction form
    53,335.68/80,003.49 = 13,892.70/x
  3. Step 3: Cross multiply
    53,335.68x = 80,003.49 × 13,892.70
  4. Step 4: Simplify right side
    53,335.68x = 1,111,464,485.52
  5. Step 5: Solve for x
    x = 1,111,464,485.52/53,335.68
  6. Step 6: Final answer
    x = 20,839.04

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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.