Home / 14,736.12-20,335.94-8,021.74

Finding the Fourth Proportional to 14,736.12, 20,335.94 and 8,021.74

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Solution

The fourth proportional to 14,736.12, 20,335.94 and 8,021.74 is: 11,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.12 : 20,335.94 = 8,021.74 : x
  2. Step 2: Convert to fraction form
    14,736.12/20,335.94 = 8,021.74/x
  3. Step 3: Cross multiply
    14,736.12x = 20,335.94 × 8,021.74
  4. Step 4: Simplify right side
    14,736.12x = 163,129,649.11
  5. Step 5: Solve for x
    x = 163,129,649.11/14,736.12
  6. Step 6: Final answer
    x = 11,070.06

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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.