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Finding the Fourth Proportional to 14,352.14, 19,806.54 and 8,064.50

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Solution

The fourth proportional to 14,352.14, 19,806.54 and 8,064.50 is: 11,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.14 : 19,806.54 = 8,064.50 : x
  2. Step 2: Convert to fraction form
    14,352.14/19,806.54 = 8,064.50/x
  3. Step 3: Cross multiply
    14,352.14x = 19,806.54 × 8,064.50
  4. Step 4: Simplify right side
    14,352.14x = 159,729,841.83
  5. Step 5: Solve for x
    x = 159,729,841.83/14,352.14
  6. Step 6: Final answer
    x = 11,129.34

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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.