Home / 25,176.64-37,764.95-11,989.03

Finding the Fourth Proportional to 25,176.64, 37,764.95 and 11,989.03

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Solution

The fourth proportional to 25,176.64, 37,764.95 and 11,989.03 is: 17,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.64 : 37,764.95 = 11,989.03 : x
  2. Step 2: Convert to fraction form
    25,176.64/37,764.95 = 11,989.03/x
  3. Step 3: Cross multiply
    25,176.64x = 37,764.95 × 11,989.03
  4. Step 4: Simplify right side
    25,176.64x = 452,764,929.67
  5. Step 5: Solve for x
    x = 452,764,929.67/25,176.64
  6. Step 6: Final answer
    x = 17,983.54

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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.