Home / 13,949.08-19,250.16-7,661.44

Finding the Fourth Proportional to 13,949.08, 19,250.16 and 7,661.44

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Solution

The fourth proportional to 13,949.08, 19,250.16 and 7,661.44 is: 10,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.08 : 19,250.16 = 7,661.44 : x
  2. Step 2: Convert to fraction form
    13,949.08/19,250.16 = 7,661.44/x
  3. Step 3: Cross multiply
    13,949.08x = 19,250.16 × 7,661.44
  4. Step 4: Simplify right side
    13,949.08x = 147,483,945.83
  5. Step 5: Solve for x
    x = 147,483,945.83/13,949.08
  6. Step 6: Final answer
    x = 10,573.02

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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.