Home / 14,733.12-20,331.63-8,018.70

Finding the Fourth Proportional to 14,733.12, 20,331.63 and 8,018.70

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Solution

The fourth proportional to 14,733.12, 20,331.63 and 8,018.70 is: 11,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,733.12 : 20,331.63 = 8,018.70 : x
  2. Step 2: Convert to fraction form
    14,733.12/20,331.63 = 8,018.70/x
  3. Step 3: Cross multiply
    14,733.12x = 20,331.63 × 8,018.70
  4. Step 4: Simplify right side
    14,733.12x = 163,033,241.48
  5. Step 5: Solve for x
    x = 163,033,241.48/14,733.12
  6. Step 6: Final answer
    x = 11,065.76

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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.