Home / 14,733.30-20,331.42-8,018.78

Finding the Fourth Proportional to 14,733.30, 20,331.42 and 8,018.78

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Solution

The fourth proportional to 14,733.30, 20,331.42 and 8,018.78 is: 11,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,733.30 : 20,331.42 = 8,018.78 : x
  2. Step 2: Convert to fraction form
    14,733.30/20,331.42 = 8,018.78/x
  3. Step 3: Cross multiply
    14,733.30x = 20,331.42 × 8,018.78
  4. Step 4: Simplify right side
    14,733.30x = 163,033,184.07
  5. Step 5: Solve for x
    x = 163,033,184.07/14,733.30
  6. Step 6: Final answer
    x = 11,065.63

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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.