Home / 16,987.45-25,491.54-10,738.86

Finding the Fourth Proportional to 16,987.45, 25,491.54 and 10,738.86

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Solution

The fourth proportional to 16,987.45, 25,491.54 and 10,738.86 is: 16,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.45 : 25,491.54 = 10,738.86 : x
  2. Step 2: Convert to fraction form
    16,987.45/25,491.54 = 10,738.86/x
  3. Step 3: Cross multiply
    16,987.45x = 25,491.54 × 10,738.86
  4. Step 4: Simplify right side
    16,987.45x = 273,750,079.24
  5. Step 5: Solve for x
    x = 273,750,079.24/16,987.45
  6. Step 6: Final answer
    x = 16,114.84

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1.5x scale

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.