Home / 14,817.93-20,448.74-8,103.56

Finding the Fourth Proportional to 14,817.93, 20,448.74 and 8,103.56

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Solution

The fourth proportional to 14,817.93, 20,448.74 and 8,103.56 is: 11,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.93 : 20,448.74 = 8,103.56 : x
  2. Step 2: Convert to fraction form
    14,817.93/20,448.74 = 8,103.56/x
  3. Step 3: Cross multiply
    14,817.93x = 20,448.74 × 8,103.56
  4. Step 4: Simplify right side
    14,817.93x = 165,707,591.51
  5. Step 5: Solve for x
    x = 165,707,591.51/14,817.93
  6. Step 6: Final answer
    x = 11,182.91

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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.