Home / 13,949.52-19,250.10-7,661.76

Finding the Fourth Proportional to 13,949.52, 19,250.10 and 7,661.76

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Solution

The fourth proportional to 13,949.52, 19,250.10 and 7,661.76 is: 10,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.52 : 19,250.10 = 7,661.76 : x
  2. Step 2: Convert to fraction form
    13,949.52/19,250.10 = 7,661.76/x
  3. Step 3: Cross multiply
    13,949.52x = 19,250.10 × 7,661.76
  4. Step 4: Simplify right side
    13,949.52x = 147,489,646.18
  5. Step 5: Solve for x
    x = 147,489,646.18/13,949.52
  6. Step 6: Final answer
    x = 10,573.10

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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.