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Finding the Fourth Proportional to 19,753.84, 27,267.16 and 11,373.68

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Solution

The fourth proportional to 19,753.84, 27,267.16 and 11,373.68 is: 15,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.84 : 27,267.16 = 11,373.68 : x
  2. Step 2: Convert to fraction form
    19,753.84/27,267.16 = 11,373.68/x
  3. Step 3: Cross multiply
    19,753.84x = 27,267.16 × 11,373.68
  4. Step 4: Simplify right side
    19,753.84x = 310,127,952.35
  5. Step 5: Solve for x
    x = 310,127,952.35/19,753.84
  6. Step 6: Final answer
    x = 15,699.63

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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.