Home / 19,908.81-27,472.64-11,410.83

Finding the Fourth Proportional to 19,908.81, 27,472.64 and 11,410.83

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Solution

The fourth proportional to 19,908.81, 27,472.64 and 11,410.83 is: 15,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.81 : 27,472.64 = 11,410.83 : x
  2. Step 2: Convert to fraction form
    19,908.81/27,472.64 = 11,410.83/x
  3. Step 3: Cross multiply
    19,908.81x = 27,472.64 × 11,410.83
  4. Step 4: Simplify right side
    19,908.81x = 313,485,567.64
  5. Step 5: Solve for x
    x = 313,485,567.64/19,908.81
  6. Step 6: Final answer
    x = 15,746.07

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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.