Home / 13,347.06-18,418.86-7,604.58

Finding the Fourth Proportional to 13,347.06, 18,418.86 and 7,604.58

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Solution

The fourth proportional to 13,347.06, 18,418.86 and 7,604.58 is: 10,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.06 : 18,418.86 = 7,604.58 : x
  2. Step 2: Convert to fraction form
    13,347.06/18,418.86 = 7,604.58/x
  3. Step 3: Cross multiply
    13,347.06x = 18,418.86 × 7,604.58
  4. Step 4: Simplify right side
    13,347.06x = 140,067,694.38
  5. Step 5: Solve for x
    x = 140,067,694.38/13,347.06
  6. Step 6: Final answer
    x = 10,494.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.