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Finding the Fourth Proportional to 14,356.17, 19,811.52 and 8,068.55

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Solution

The fourth proportional to 14,356.17, 19,811.52 and 8,068.55 is: 11,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.17 : 19,811.52 = 8,068.55 : x
  2. Step 2: Convert to fraction form
    14,356.17/19,811.52 = 8,068.55/x
  3. Step 3: Cross multiply
    14,356.17x = 19,811.52 × 8,068.55
  4. Step 4: Simplify right side
    14,356.17x = 159,850,162.66
  5. Step 5: Solve for x
    x = 159,850,162.66/14,356.17
  6. Step 6: Final answer
    x = 11,134.60

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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.