Home / 19,763.16-29,611.81-13,907.46

Finding the Fourth Proportional to 19,763.16, 29,611.81 and 13,907.46

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Solution

The fourth proportional to 19,763.16, 29,611.81 and 13,907.46 is: 20,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.16 : 29,611.81 = 13,907.46 : x
  2. Step 2: Convert to fraction form
    19,763.16/29,611.81 = 13,907.46/x
  3. Step 3: Cross multiply
    19,763.16x = 29,611.81 × 13,907.46
  4. Step 4: Simplify right side
    19,763.16x = 411,825,063.10
  5. Step 5: Solve for x
    x = 411,825,063.10/19,763.16
  6. Step 6: Final answer
    x = 20,838.02

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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.