Home / 14,208.06-19,606.41-7,919.22

Finding the Fourth Proportional to 14,208.06, 19,606.41 and 7,919.22

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Solution

The fourth proportional to 14,208.06, 19,606.41 and 7,919.22 is: 10,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.06 : 19,606.41 = 7,919.22 : x
  2. Step 2: Convert to fraction form
    14,208.06/19,606.41 = 7,919.22/x
  3. Step 3: Cross multiply
    14,208.06x = 19,606.41 × 7,919.22
  4. Step 4: Simplify right side
    14,208.06x = 155,267,474.20
  5. Step 5: Solve for x
    x = 155,267,474.20/14,208.06
  6. Step 6: Final answer
    x = 10,928.13

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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.