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Finding the Fourth Proportional to 14,641.31, 20,239.06 and 13,063.59

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Solution

The fourth proportional to 14,641.31, 20,239.06 and 13,063.59 is: 18,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,641.31 : 20,239.06 = 13,063.59 : x
  2. Step 2: Convert to fraction form
    14,641.31/20,239.06 = 13,063.59/x
  3. Step 3: Cross multiply
    14,641.31x = 20,239.06 × 13,063.59
  4. Step 4: Simplify right side
    14,641.31x = 264,394,767.11
  5. Step 5: Solve for x
    x = 264,394,767.11/14,641.31
  6. Step 6: Final answer
    x = 18,058.14

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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.