Home / 13,204.33-18,221.98-7,235.98

Finding the Fourth Proportional to 13,204.33, 18,221.98 and 7,235.98

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Solution

The fourth proportional to 13,204.33, 18,221.98 and 7,235.98 is: 9,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.33 : 18,221.98 = 7,235.98 : x
  2. Step 2: Convert to fraction form
    13,204.33/18,221.98 = 7,235.98/x
  3. Step 3: Cross multiply
    13,204.33x = 18,221.98 × 7,235.98
  4. Step 4: Simplify right side
    13,204.33x = 131,853,935.26
  5. Step 5: Solve for x
    x = 131,853,935.26/13,204.33
  6. Step 6: Final answer
    x = 9,985.66

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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.