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Finding the Fourth Proportional to 14,339.49, 19,788.48 and 8,051.87

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Solution

The fourth proportional to 14,339.49, 19,788.48 and 8,051.87 is: 11,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.49 : 19,788.48 = 8,051.87 : x
  2. Step 2: Convert to fraction form
    14,339.49/19,788.48 = 8,051.87/x
  3. Step 3: Cross multiply
    14,339.49x = 19,788.48 × 8,051.87
  4. Step 4: Simplify right side
    14,339.49x = 159,334,169.52
  5. Step 5: Solve for x
    x = 159,334,169.52/14,339.49
  6. Step 6: Final answer
    x = 11,111.56

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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.