Home / 19,749.84-27,261.64-11,369.68

Finding the Fourth Proportional to 19,749.84, 27,261.64 and 11,369.68

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Solution

The fourth proportional to 19,749.84, 27,261.64 and 11,369.68 is: 15,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.84 : 27,261.64 = 11,369.68 : x
  2. Step 2: Convert to fraction form
    19,749.84/27,261.64 = 11,369.68/x
  3. Step 3: Cross multiply
    19,749.84x = 27,261.64 × 11,369.68
  4. Step 4: Simplify right side
    19,749.84x = 309,956,123.08
  5. Step 5: Solve for x
    x = 309,956,123.08/19,749.84
  6. Step 6: Final answer
    x = 15,694.11

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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.