Home / 13,908.53-19,193.33-7,620.77

Finding the Fourth Proportional to 13,908.53, 19,193.33 and 7,620.77

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Solution

The fourth proportional to 13,908.53, 19,193.33 and 7,620.77 is: 10,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.53 : 19,193.33 = 7,620.77 : x
  2. Step 2: Convert to fraction form
    13,908.53/19,193.33 = 7,620.77/x
  3. Step 3: Cross multiply
    13,908.53x = 19,193.33 × 7,620.77
  4. Step 4: Simplify right side
    13,908.53x = 146,267,915.36
  5. Step 5: Solve for x
    x = 146,267,915.36/13,908.53
  6. Step 6: Final answer
    x = 10,516.42

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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.