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Finding the Fourth Proportional to 14,373.93, 19,835.99 and 8,086.30

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Solution

The fourth proportional to 14,373.93, 19,835.99 and 8,086.30 is: 11,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.93 : 19,835.99 = 8,086.30 : x
  2. Step 2: Convert to fraction form
    14,373.93/19,835.99 = 8,086.30/x
  3. Step 3: Cross multiply
    14,373.93x = 19,835.99 × 8,086.30
  4. Step 4: Simplify right side
    14,373.93x = 160,399,832.98
  5. Step 5: Solve for x
    x = 160,399,832.98/14,373.93
  6. Step 6: Final answer
    x = 11,159.08

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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.