Home / 14,495.76-20,001.20-8,206.92

Finding the Fourth Proportional to 14,495.76, 20,001.20 and 8,206.92

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Solution

The fourth proportional to 14,495.76, 20,001.20 and 8,206.92 is: 11,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.76 : 20,001.20 = 8,206.92 : x
  2. Step 2: Convert to fraction form
    14,495.76/20,001.20 = 8,206.92/x
  3. Step 3: Cross multiply
    14,495.76x = 20,001.20 × 8,206.92
  4. Step 4: Simplify right side
    14,495.76x = 164,148,207.27
  5. Step 5: Solve for x
    x = 164,148,207.27/14,495.76
  6. Step 6: Final answer
    x = 11,323.88

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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.