Home / 14,726.06-20,321.76-8,011.55

Finding the Fourth Proportional to 14,726.06, 20,321.76 and 8,011.55

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Solution

The fourth proportional to 14,726.06, 20,321.76 and 8,011.55 is: 11,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.06 : 20,321.76 = 8,011.55 : x
  2. Step 2: Convert to fraction form
    14,726.06/20,321.76 = 8,011.55/x
  3. Step 3: Cross multiply
    14,726.06x = 20,321.76 × 8,011.55
  4. Step 4: Simplify right side
    14,726.06x = 162,808,694.72
  5. Step 5: Solve for x
    x = 162,808,694.72/14,726.06
  6. Step 6: Final answer
    x = 11,055.83

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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.