Home / 35,385.31-53,076.59-13,198.64

Finding the Fourth Proportional to 35,385.31, 53,076.59 and 13,198.64

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Solution

The fourth proportional to 35,385.31, 53,076.59 and 13,198.64 is: 19,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.31 : 53,076.59 = 13,198.64 : x
  2. Step 2: Convert to fraction form
    35,385.31/53,076.59 = 13,198.64/x
  3. Step 3: Cross multiply
    35,385.31x = 53,076.59 × 13,198.64
  4. Step 4: Simplify right side
    35,385.31x = 700,538,737.84
  5. Step 5: Solve for x
    x = 700,538,737.84/35,385.31
  6. Step 6: Final answer
    x = 19,797.45

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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.