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Finding the Fourth Proportional to 14,373.49, 19,835.27 and 7,999.99

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Solution

The fourth proportional to 14,373.49, 19,835.27 and 7,999.99 is: 11,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.49 : 19,835.27 = 7,999.99 : x
  2. Step 2: Convert to fraction form
    14,373.49/19,835.27 = 7,999.99/x
  3. Step 3: Cross multiply
    14,373.49x = 19,835.27 × 7,999.99
  4. Step 4: Simplify right side
    14,373.49x = 158,681,892.06
  5. Step 5: Solve for x
    x = 158,681,892.06/14,373.49
  6. Step 6: Final answer
    x = 11,039.90

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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.