Home / 25,696.08-35,473.80-15,765.84

Finding the Fourth Proportional to 25,696.08, 35,473.80 and 15,765.84

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Solution

The fourth proportional to 25,696.08, 35,473.80 and 15,765.84 is: 21,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.08 : 35,473.80 = 15,765.84 : x
  2. Step 2: Convert to fraction form
    25,696.08/35,473.80 = 15,765.84/x
  3. Step 3: Cross multiply
    25,696.08x = 35,473.80 × 15,765.84
  4. Step 4: Simplify right side
    25,696.08x = 559,274,254.99
  5. Step 5: Solve for x
    x = 559,274,254.99/25,696.08
  6. Step 6: Final answer
    x = 21,764.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.