Home / 14,732.77-20,331.38-8,018.54

Finding the Fourth Proportional to 14,732.77, 20,331.38 and 8,018.54

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Solution

The fourth proportional to 14,732.77, 20,331.38 and 8,018.54 is: 11,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.77 : 20,331.38 = 8,018.54 : x
  2. Step 2: Convert to fraction form
    14,732.77/20,331.38 = 8,018.54/x
  3. Step 3: Cross multiply
    14,732.77x = 20,331.38 × 8,018.54
  4. Step 4: Simplify right side
    14,732.77x = 163,027,983.79
  5. Step 5: Solve for x
    x = 163,027,983.79/14,732.77
  6. Step 6: Final answer
    x = 11,065.67

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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.