Home / 14,736.21-20,335.45-8,021.71

Finding the Fourth Proportional to 14,736.21, 20,335.45 and 8,021.71

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Solution

The fourth proportional to 14,736.21, 20,335.45 and 8,021.71 is: 11,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.21 : 20,335.45 = 8,021.71 : x
  2. Step 2: Convert to fraction form
    14,736.21/20,335.45 = 8,021.71/x
  3. Step 3: Cross multiply
    14,736.21x = 20,335.45 × 8,021.71
  4. Step 4: Simplify right side
    14,736.21x = 163,125,082.62
  5. Step 5: Solve for x
    x = 163,125,082.62/14,736.21
  6. Step 6: Final answer
    x = 11,069.68

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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.