Home / 25,965.04-38,949.04-8,436.36

Finding the Fourth Proportional to 25,965.04, 38,949.04 and 8,436.36

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Solution

The fourth proportional to 25,965.04, 38,949.04 and 8,436.36 is: 12,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.04 : 38,949.04 = 8,436.36 : x
  2. Step 2: Convert to fraction form
    25,965.04/38,949.04 = 8,436.36/x
  3. Step 3: Cross multiply
    25,965.04x = 38,949.04 × 8,436.36
  4. Step 4: Simplify right side
    25,965.04x = 328,588,123.09
  5. Step 5: Solve for x
    x = 328,588,123.09/25,965.04
  6. Step 6: Final answer
    x = 12,655.02

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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.