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Finding the Fourth Proportional to 19,673.01, 27,127.98 and 14,629.14

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Solution

The fourth proportional to 19,673.01, 27,127.98 and 14,629.14 is: 20,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.01 : 27,127.98 = 14,629.14 : x
  2. Step 2: Convert to fraction form
    19,673.01/27,127.98 = 14,629.14/x
  3. Step 3: Cross multiply
    19,673.01x = 27,127.98 × 14,629.14
  4. Step 4: Simplify right side
    19,673.01x = 396,859,017.34
  5. Step 5: Solve for x
    x = 396,859,017.34/19,673.01
  6. Step 6: Final answer
    x = 20,172.77

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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.