Home / 19,863.36-27,411.76-10,911.70

Finding the Fourth Proportional to 19,863.36, 27,411.76 and 10,911.70

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Solution

The fourth proportional to 19,863.36, 27,411.76 and 10,911.70 is: 15,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.36 : 27,411.76 = 10,911.70 : x
  2. Step 2: Convert to fraction form
    19,863.36/27,411.76 = 10,911.70/x
  3. Step 3: Cross multiply
    19,863.36x = 27,411.76 × 10,911.70
  4. Step 4: Simplify right side
    19,863.36x = 299,108,901.59
  5. Step 5: Solve for x
    x = 299,108,901.59/19,863.36
  6. Step 6: Final answer
    x = 15,058.32

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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.