Home / 12,555.55-17,326.67-7,250.41

Finding the Fourth Proportional to 12,555.55, 17,326.67 and 7,250.41

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Solution

The fourth proportional to 12,555.55, 17,326.67 and 7,250.41 is: 10,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.55 : 17,326.67 = 7,250.41 : x
  2. Step 2: Convert to fraction form
    12,555.55/17,326.67 = 7,250.41/x
  3. Step 3: Cross multiply
    12,555.55x = 17,326.67 × 7,250.41
  4. Step 4: Simplify right side
    12,555.55x = 125,625,338.55
  5. Step 5: Solve for x
    x = 125,625,338.55/12,555.55
  6. Step 6: Final answer
    x = 10,005.56

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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.