Home / 19,901.19-27,467.57-11,409.02

Finding the Fourth Proportional to 19,901.19, 27,467.57 and 11,409.02

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Solution

The fourth proportional to 19,901.19, 27,467.57 and 11,409.02 is: 15,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.19 : 27,467.57 = 11,409.02 : x
  2. Step 2: Convert to fraction form
    19,901.19/27,467.57 = 11,409.02/x
  3. Step 3: Cross multiply
    19,901.19x = 27,467.57 × 11,409.02
  4. Step 4: Simplify right side
    19,901.19x = 313,377,889.62
  5. Step 5: Solve for x
    x = 313,377,889.62/19,901.19
  6. Step 6: Final answer
    x = 15,746.69

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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.