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Finding the Fourth Proportional to 14,325.88, 19,768.44 and 8,356.72

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Solution

The fourth proportional to 14,325.88, 19,768.44 and 8,356.72 is: 11,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.88 : 19,768.44 = 8,356.72 : x
  2. Step 2: Convert to fraction form
    14,325.88/19,768.44 = 8,356.72/x
  3. Step 3: Cross multiply
    14,325.88x = 19,768.44 × 8,356.72
  4. Step 4: Simplify right side
    14,325.88x = 165,199,317.92
  5. Step 5: Solve for x
    x = 165,199,317.92/14,325.88
  6. Step 6: Final answer
    x = 11,531.53

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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.