Home / 14,835.01-20,472.33-8,120.92

Finding the Fourth Proportional to 14,835.01, 20,472.33 and 8,120.92

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Solution

The fourth proportional to 14,835.01, 20,472.33 and 8,120.92 is: 11,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.01 : 20,472.33 = 8,120.92 : x
  2. Step 2: Convert to fraction form
    14,835.01/20,472.33 = 8,120.92/x
  3. Step 3: Cross multiply
    14,835.01x = 20,472.33 × 8,120.92
  4. Step 4: Simplify right side
    14,835.01x = 166,254,154.14
  5. Step 5: Solve for x
    x = 166,254,154.14/14,835.01
  6. Step 6: Final answer
    x = 11,206.88

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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.