Home / 14,621.84-20,177.64-8,336.24

Finding the Fourth Proportional to 14,621.84, 20,177.64 and 8,336.24

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Solution

The fourth proportional to 14,621.84, 20,177.64 and 8,336.24 is: 11,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.84 : 20,177.64 = 8,336.24 : x
  2. Step 2: Convert to fraction form
    14,621.84/20,177.64 = 8,336.24/x
  3. Step 3: Cross multiply
    14,621.84x = 20,177.64 × 8,336.24
  4. Step 4: Simplify right side
    14,621.84x = 168,205,649.67
  5. Step 5: Solve for x
    x = 168,205,649.67/14,621.84
  6. Step 6: Final answer
    x = 11,503.73

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1.5x scale

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.