Home / 16,965.79-25,436.38-11,405.35

Finding the Fourth Proportional to 16,965.79, 25,436.38 and 11,405.35

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Solution

The fourth proportional to 16,965.79, 25,436.38 and 11,405.35 is: 17,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.79 : 25,436.38 = 11,405.35 : x
  2. Step 2: Convert to fraction form
    16,965.79/25,436.38 = 11,405.35/x
  3. Step 3: Cross multiply
    16,965.79x = 25,436.38 × 11,405.35
  4. Step 4: Simplify right side
    16,965.79x = 290,110,816.63
  5. Step 5: Solve for x
    x = 290,110,816.63/16,965.79
  6. Step 6: Final answer
    x = 17,099.75

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1.5x scale

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.