Home / 13,266.15-19,892.37-3,904.95

Finding the Fourth Proportional to 13,266.15, 19,892.37 and 3,904.95

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Solution

The fourth proportional to 13,266.15, 19,892.37 and 3,904.95 is: 5,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.15 : 19,892.37 = 3,904.95 : x
  2. Step 2: Convert to fraction form
    13,266.15/19,892.37 = 3,904.95/x
  3. Step 3: Cross multiply
    13,266.15x = 19,892.37 × 3,904.95
  4. Step 4: Simplify right side
    13,266.15x = 77,678,710.23
  5. Step 5: Solve for x
    x = 77,678,710.23/13,266.15
  6. Step 6: Final answer
    x = 5,855.41

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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.