Home / 14,156.72-19,537.84-8,188.32

Finding the Fourth Proportional to 14,156.72, 19,537.84 and 8,188.32

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Solution

The fourth proportional to 14,156.72, 19,537.84 and 8,188.32 is: 11,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.72 : 19,537.84 = 8,188.32 : x
  2. Step 2: Convert to fraction form
    14,156.72/19,537.84 = 8,188.32/x
  3. Step 3: Cross multiply
    14,156.72x = 19,537.84 × 8,188.32
  4. Step 4: Simplify right side
    14,156.72x = 159,982,086.03
  5. Step 5: Solve for x
    x = 159,982,086.03/14,156.72
  6. Step 6: Final answer
    x = 11,300.79

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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.