Home / 25,807.34-38,698.49-15,136.61

Finding the Fourth Proportional to 25,807.34, 38,698.49 and 15,136.61

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Solution

The fourth proportional to 25,807.34, 38,698.49 and 15,136.61 is: 22,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,807.34 : 38,698.49 = 15,136.61 : x
  2. Step 2: Convert to fraction form
    25,807.34/38,698.49 = 15,136.61/x
  3. Step 3: Cross multiply
    25,807.34x = 38,698.49 × 15,136.61
  4. Step 4: Simplify right side
    25,807.34x = 585,763,782.48
  5. Step 5: Solve for x
    x = 585,763,782.48/25,807.34
  6. Step 6: Final answer
    x = 22,697.56

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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.