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Finding the Fourth Proportional to 14,029.34, 19,353.80 and 8,360.82

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Solution

The fourth proportional to 14,029.34, 19,353.80 and 8,360.82 is: 11,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.34 : 19,353.80 = 8,360.82 : x
  2. Step 2: Convert to fraction form
    14,029.34/19,353.80 = 8,360.82/x
  3. Step 3: Cross multiply
    14,029.34x = 19,353.80 × 8,360.82
  4. Step 4: Simplify right side
    14,029.34x = 161,813,659.02
  5. Step 5: Solve for x
    x = 161,813,659.02/14,029.34
  6. Step 6: Final answer
    x = 11,533.95

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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.