Home / 13,900.98-19,184.74-7,933.56

Finding the Fourth Proportional to 13,900.98, 19,184.74 and 7,933.56

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Solution

The fourth proportional to 13,900.98, 19,184.74 and 7,933.56 is: 10,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.98 : 19,184.74 = 7,933.56 : x
  2. Step 2: Convert to fraction form
    13,900.98/19,184.74 = 7,933.56/x
  3. Step 3: Cross multiply
    13,900.98x = 19,184.74 × 7,933.56
  4. Step 4: Simplify right side
    13,900.98x = 152,203,194.10
  5. Step 5: Solve for x
    x = 152,203,194.10/13,900.98
  6. Step 6: Final answer
    x = 10,949.10

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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.