Home / 16,969.12-25,419.84-13,253.95

Finding the Fourth Proportional to 16,969.12, 25,419.84 and 13,253.95

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Solution

The fourth proportional to 16,969.12, 25,419.84 and 13,253.95 is: 19,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.12 : 25,419.84 = 13,253.95 : x
  2. Step 2: Convert to fraction form
    16,969.12/25,419.84 = 13,253.95/x
  3. Step 3: Cross multiply
    16,969.12x = 25,419.84 × 13,253.95
  4. Step 4: Simplify right side
    16,969.12x = 336,913,288.37
  5. Step 5: Solve for x
    x = 336,913,288.37/16,969.12
  6. Step 6: Final answer
    x = 19,854.50

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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.