Home / 25,696.12-35,463.28-15,625.29

Finding the Fourth Proportional to 25,696.12, 35,463.28 and 15,625.29

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Solution

The fourth proportional to 25,696.12, 35,463.28 and 15,625.29 is: 21,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.12 : 35,463.28 = 15,625.29 : x
  2. Step 2: Convert to fraction form
    25,696.12/35,463.28 = 15,625.29/x
  3. Step 3: Cross multiply
    25,696.12x = 35,463.28 × 15,625.29
  4. Step 4: Simplify right side
    25,696.12x = 554,124,034.35
  5. Step 5: Solve for x
    x = 554,124,034.35/25,696.12
  6. Step 6: Final answer
    x = 21,564.50

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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.