Home / 13,295.56-18,347.16-7,326.04

Finding the Fourth Proportional to 13,295.56, 18,347.16 and 7,326.04

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Solution

The fourth proportional to 13,295.56, 18,347.16 and 7,326.04 is: 10,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.56 : 18,347.16 = 7,326.04 : x
  2. Step 2: Convert to fraction form
    13,295.56/18,347.16 = 7,326.04/x
  3. Step 3: Cross multiply
    13,295.56x = 18,347.16 × 7,326.04
  4. Step 4: Simplify right side
    13,295.56x = 134,412,028.05
  5. Step 5: Solve for x
    x = 134,412,028.05/13,295.56
  6. Step 6: Final answer
    x = 10,109.54

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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.