Home / 13,099.82-19,653.62-7,557.17

Finding the Fourth Proportional to 13,099.82, 19,653.62 and 7,557.17

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Solution

The fourth proportional to 13,099.82, 19,653.62 and 7,557.17 is: 11,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.82 : 19,653.62 = 7,557.17 : x
  2. Step 2: Convert to fraction form
    13,099.82/19,653.62 = 7,557.17/x
  3. Step 3: Cross multiply
    13,099.82x = 19,653.62 × 7,557.17
  4. Step 4: Simplify right side
    13,099.82x = 148,525,611.40
  5. Step 5: Solve for x
    x = 148,525,611.40/13,099.82
  6. Step 6: Final answer
    x = 11,337.99

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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.