Home / 19,764.64-27,266.05-11,376.28

Finding the Fourth Proportional to 19,764.64, 27,266.05 and 11,376.28

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Solution

The fourth proportional to 19,764.64, 27,266.05 and 11,376.28 is: 15,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.64 : 27,266.05 = 11,376.28 : x
  2. Step 2: Convert to fraction form
    19,764.64/27,266.05 = 11,376.28/x
  3. Step 3: Cross multiply
    19,764.64x = 27,266.05 × 11,376.28
  4. Step 4: Simplify right side
    19,764.64x = 310,186,267.60
  5. Step 5: Solve for x
    x = 310,186,267.60/19,764.64
  6. Step 6: Final answer
    x = 15,694.00

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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.