Home / 14,390.73-21,589.18-8,153.73

Finding the Fourth Proportional to 14,390.73, 21,589.18 and 8,153.73

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Solution

The fourth proportional to 14,390.73, 21,589.18 and 8,153.73 is: 12,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.73 : 21,589.18 = 8,153.73 : x
  2. Step 2: Convert to fraction form
    14,390.73/21,589.18 = 8,153.73/x
  3. Step 3: Cross multiply
    14,390.73x = 21,589.18 × 8,153.73
  4. Step 4: Simplify right side
    14,390.73x = 176,032,344.64
  5. Step 5: Solve for x
    x = 176,032,344.64/14,390.73
  6. Step 6: Final answer
    x = 12,232.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.