Home / 35,392.78-53,087.40-13,204.42

Finding the Fourth Proportional to 35,392.78, 53,087.40 and 13,204.42

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Solution

The fourth proportional to 35,392.78, 53,087.40 and 13,204.42 is: 19,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.78 : 53,087.40 = 13,204.42 : x
  2. Step 2: Convert to fraction form
    35,392.78/53,087.40 = 13,204.42/x
  3. Step 3: Cross multiply
    35,392.78x = 53,087.40 × 13,204.42
  4. Step 4: Simplify right side
    35,392.78x = 700,988,326.31
  5. Step 5: Solve for x
    x = 700,988,326.31/35,392.78
  6. Step 6: Final answer
    x = 19,805.97

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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.