Home / 13,102.09-19,653.35-7,295.61

Finding the Fourth Proportional to 13,102.09, 19,653.35 and 7,295.61

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Solution

The fourth proportional to 13,102.09, 19,653.35 and 7,295.61 is: 10,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.09 : 19,653.35 = 7,295.61 : x
  2. Step 2: Convert to fraction form
    13,102.09/19,653.35 = 7,295.61/x
  3. Step 3: Cross multiply
    13,102.09x = 19,653.35 × 7,295.61
  4. Step 4: Simplify right side
    13,102.09x = 143,383,176.79
  5. Step 5: Solve for x
    x = 143,383,176.79/13,102.09
  6. Step 6: Final answer
    x = 10,943.53

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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.