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Finding the Fourth Proportional to 14,454.53, 19,950.59 and 9,409.97

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Solution

The fourth proportional to 14,454.53, 19,950.59 and 9,409.97 is: 12,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.53 : 19,950.59 = 9,409.97 : x
  2. Step 2: Convert to fraction form
    14,454.53/19,950.59 = 9,409.97/x
  3. Step 3: Cross multiply
    14,454.53x = 19,950.59 × 9,409.97
  4. Step 4: Simplify right side
    14,454.53x = 187,734,416.68
  5. Step 5: Solve for x
    x = 187,734,416.68/14,454.53
  6. Step 6: Final answer
    x = 12,987.93

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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.