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Finding the Fourth Proportional to 14,467.68, 19,966.73 and 9,090.99

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Solution

The fourth proportional to 14,467.68, 19,966.73 and 9,090.99 is: 12,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.68 : 19,966.73 = 9,090.99 : x
  2. Step 2: Convert to fraction form
    14,467.68/19,966.73 = 9,090.99/x
  3. Step 3: Cross multiply
    14,467.68x = 19,966.73 × 9,090.99
  4. Step 4: Simplify right side
    14,467.68x = 181,517,297.31
  5. Step 5: Solve for x
    x = 181,517,297.31/14,467.68
  6. Step 6: Final answer
    x = 12,546.40

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Double scale
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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.