Home / 14,621.28-20,176.44-8,332.56

Finding the Fourth Proportional to 14,621.28, 20,176.44 and 8,332.56

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Solution

The fourth proportional to 14,621.28, 20,176.44 and 8,332.56 is: 11,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.28 : 20,176.44 = 8,332.56 : x
  2. Step 2: Convert to fraction form
    14,621.28/20,176.44 = 8,332.56/x
  3. Step 3: Cross multiply
    14,621.28x = 20,176.44 × 8,332.56
  4. Step 4: Simplify right side
    14,621.28x = 168,121,396.89
  5. Step 5: Solve for x
    x = 168,121,396.89/14,621.28
  6. Step 6: Final answer
    x = 11,498.40

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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.