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Finding the Fourth Proportional to 14,726.16, 20,321.94 and 8,011.68

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Solution

The fourth proportional to 14,726.16, 20,321.94 and 8,011.68 is: 11,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.16 : 20,321.94 = 8,011.68 : x
  2. Step 2: Convert to fraction form
    14,726.16/20,321.94 = 8,011.68/x
  3. Step 3: Cross multiply
    14,726.16x = 20,321.94 × 8,011.68
  4. Step 4: Simplify right side
    14,726.16x = 162,812,880.26
  5. Step 5: Solve for x
    x = 162,812,880.26/14,726.16
  6. Step 6: Final answer
    x = 11,056.03

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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.