Home / 35,680.80-53,519.52-16,947.12

Finding the Fourth Proportional to 35,680.80, 53,519.52 and 16,947.12

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Solution

The fourth proportional to 35,680.80, 53,519.52 and 16,947.12 is: 25,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.80 : 53,519.52 = 16,947.12 : x
  2. Step 2: Convert to fraction form
    35,680.80/53,519.52 = 16,947.12/x
  3. Step 3: Cross multiply
    35,680.80x = 53,519.52 × 16,947.12
  4. Step 4: Simplify right side
    35,680.80x = 907,001,727.78
  5. Step 5: Solve for x
    x = 907,001,727.78/35,680.80
  6. Step 6: Final answer
    x = 25,419.88

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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.