Home / 14,026.79-19,360.99-8,289.56

Finding the Fourth Proportional to 14,026.79, 19,360.99 and 8,289.56

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Solution

The fourth proportional to 14,026.79, 19,360.99 and 8,289.56 is: 11,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.79 : 19,360.99 = 8,289.56 : x
  2. Step 2: Convert to fraction form
    14,026.79/19,360.99 = 8,289.56/x
  3. Step 3: Cross multiply
    14,026.79x = 19,360.99 × 8,289.56
  4. Step 4: Simplify right side
    14,026.79x = 160,493,991.46
  5. Step 5: Solve for x
    x = 160,493,991.46/14,026.79
  6. Step 6: Final answer
    x = 11,441.97

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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.