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Finding the Fourth Proportional to 14,044.98, 20,911.48 and 13,848.81

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Solution

The fourth proportional to 14,044.98, 20,911.48 and 13,848.81 is: 20,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.98 : 20,911.48 = 13,848.81 : x
  2. Step 2: Convert to fraction form
    14,044.98/20,911.48 = 13,848.81/x
  3. Step 3: Cross multiply
    14,044.98x = 20,911.48 × 13,848.81
  4. Step 4: Simplify right side
    14,044.98x = 289,599,195.83
  5. Step 5: Solve for x
    x = 289,599,195.83/14,044.98
  6. Step 6: Final answer
    x = 20,619.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.