Home / 19,438.36-29,139.07-7,599.73

Finding the Fourth Proportional to 19,438.36, 29,139.07 and 7,599.73

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Solution

The fourth proportional to 19,438.36, 29,139.07 and 7,599.73 is: 11,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.36 : 29,139.07 = 7,599.73 : x
  2. Step 2: Convert to fraction form
    19,438.36/29,139.07 = 7,599.73/x
  3. Step 3: Cross multiply
    19,438.36x = 29,139.07 × 7,599.73
  4. Step 4: Simplify right side
    19,438.36x = 221,449,064.45
  5. Step 5: Solve for x
    x = 221,449,064.45/19,438.36
  6. Step 6: Final answer
    x = 11,392.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.