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Finding the Fourth Proportional to 19,714.11, 27,206.11 and 10,762.09

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Solution

The fourth proportional to 19,714.11, 27,206.11 and 10,762.09 is: 14,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.11 : 27,206.11 = 10,762.09 : x
  2. Step 2: Convert to fraction form
    19,714.11/27,206.11 = 10,762.09/x
  3. Step 3: Cross multiply
    19,714.11x = 27,206.11 × 10,762.09
  4. Step 4: Simplify right side
    19,714.11x = 292,794,549.81
  5. Step 5: Solve for x
    x = 292,794,549.81/19,714.11
  6. Step 6: Final answer
    x = 14,852.03

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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.