Home / 13,805.57-19,052.09-7,518.35

Finding the Fourth Proportional to 13,805.57, 19,052.09 and 7,518.35

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Solution

The fourth proportional to 13,805.57, 19,052.09 and 7,518.35 is: 10,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.57 : 19,052.09 = 7,518.35 : x
  2. Step 2: Convert to fraction form
    13,805.57/19,052.09 = 7,518.35/x
  3. Step 3: Cross multiply
    13,805.57x = 19,052.09 × 7,518.35
  4. Step 4: Simplify right side
    13,805.57x = 143,240,243.26
  5. Step 5: Solve for x
    x = 143,240,243.26/13,805.57
  6. Step 6: Final answer
    x = 10,375.54

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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.