Home / 14,172.24-19,557.87-7,799.56

Finding the Fourth Proportional to 14,172.24, 19,557.87 and 7,799.56

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Solution

The fourth proportional to 14,172.24, 19,557.87 and 7,799.56 is: 10,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.24 : 19,557.87 = 7,799.56 : x
  2. Step 2: Convert to fraction form
    14,172.24/19,557.87 = 7,799.56/x
  3. Step 3: Cross multiply
    14,172.24x = 19,557.87 × 7,799.56
  4. Step 4: Simplify right side
    14,172.24x = 152,542,741.54
  5. Step 5: Solve for x
    x = 152,542,741.54/14,172.24
  6. Step 6: Final answer
    x = 10,763.49

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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.