Home / 19,785.14-29,692.23-15,936.02

Finding the Fourth Proportional to 19,785.14, 29,692.23 and 15,936.02

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Solution

The fourth proportional to 19,785.14, 29,692.23 and 15,936.02 is: 23,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.14 : 29,692.23 = 15,936.02 : x
  2. Step 2: Convert to fraction form
    19,785.14/29,692.23 = 15,936.02/x
  3. Step 3: Cross multiply
    19,785.14x = 29,692.23 × 15,936.02
  4. Step 4: Simplify right side
    19,785.14x = 473,175,971.12
  5. Step 5: Solve for x
    x = 473,175,971.12/19,785.14
  6. Step 6: Final answer
    x = 23,915.73

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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.