Home / 14,817.56-20,448.77-8,102.79

Finding the Fourth Proportional to 14,817.56, 20,448.77 and 8,102.79

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Solution

The fourth proportional to 14,817.56, 20,448.77 and 8,102.79 is: 11,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.56 : 20,448.77 = 8,102.79 : x
  2. Step 2: Convert to fraction form
    14,817.56/20,448.77 = 8,102.79/x
  3. Step 3: Cross multiply
    14,817.56x = 20,448.77 × 8,102.79
  4. Step 4: Simplify right side
    14,817.56x = 165,692,048.55
  5. Step 5: Solve for x
    x = 165,692,048.55/14,817.56
  6. Step 6: Final answer
    x = 11,182.14

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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.