Home / 25,004.52-34,521.21-15,585.84

Finding the Fourth Proportional to 25,004.52, 34,521.21 and 15,585.84

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Solution

The fourth proportional to 25,004.52, 34,521.21 and 15,585.84 is: 21,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,004.52 : 34,521.21 = 15,585.84 : x
  2. Step 2: Convert to fraction form
    25,004.52/34,521.21 = 15,585.84/x
  3. Step 3: Cross multiply
    25,004.52x = 34,521.21 × 15,585.84
  4. Step 4: Simplify right side
    25,004.52x = 538,042,055.67
  5. Step 5: Solve for x
    x = 538,042,055.67/25,004.52
  6. Step 6: Final answer
    x = 21,517.79

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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.