Home / 16,520.81-22,798.34-8,967.15

Finding the Fourth Proportional to 16,520.81, 22,798.34 and 8,967.15

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Solution

The fourth proportional to 16,520.81, 22,798.34 and 8,967.15 is: 12,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.81 : 22,798.34 = 8,967.15 : x
  2. Step 2: Convert to fraction form
    16,520.81/22,798.34 = 8,967.15/x
  3. Step 3: Cross multiply
    16,520.81x = 22,798.34 × 8,967.15
  4. Step 4: Simplify right side
    16,520.81x = 204,436,089.70
  5. Step 5: Solve for x
    x = 204,436,089.70/16,520.81
  6. Step 6: Final answer
    x = 12,374.46

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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.