Home / 13,268.61-19,902.65-5,368.95

Finding the Fourth Proportional to 13,268.61, 19,902.65 and 5,368.95

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Solution

The fourth proportional to 13,268.61, 19,902.65 and 5,368.95 is: 8,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.61 : 19,902.65 = 5,368.95 : x
  2. Step 2: Convert to fraction form
    13,268.61/19,902.65 = 5,368.95/x
  3. Step 3: Cross multiply
    13,268.61x = 19,902.65 × 5,368.95
  4. Step 4: Simplify right side
    13,268.61x = 106,856,305.87
  5. Step 5: Solve for x
    x = 106,856,305.87/13,268.61
  6. Step 6: Final answer
    x = 8,053.32

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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.