Home / 25,133.78-37,687.77-13,293.95

Finding the Fourth Proportional to 25,133.78, 37,687.77 and 13,293.95

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Solution

The fourth proportional to 25,133.78, 37,687.77 and 13,293.95 is: 19,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.78 : 37,687.77 = 13,293.95 : x
  2. Step 2: Convert to fraction form
    25,133.78/37,687.77 = 13,293.95/x
  3. Step 3: Cross multiply
    25,133.78x = 37,687.77 × 13,293.95
  4. Step 4: Simplify right side
    25,133.78x = 501,019,141.55
  5. Step 5: Solve for x
    x = 501,019,141.55/25,133.78
  6. Step 6: Final answer
    x = 19,934.10

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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.