Home / 14,732.88-20,331.55-8,018.37

Finding the Fourth Proportional to 14,732.88, 20,331.55 and 8,018.37

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Solution

The fourth proportional to 14,732.88, 20,331.55 and 8,018.37 is: 11,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.88 : 20,331.55 = 8,018.37 : x
  2. Step 2: Convert to fraction form
    14,732.88/20,331.55 = 8,018.37/x
  3. Step 3: Cross multiply
    14,732.88x = 20,331.55 × 8,018.37
  4. Step 4: Simplify right side
    14,732.88x = 163,025,890.57
  5. Step 5: Solve for x
    x = 163,025,890.57/14,732.88
  6. Step 6: Final answer
    x = 11,065.45

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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.