Home / 19,863.86-27,411.06-10,912.58

Finding the Fourth Proportional to 19,863.86, 27,411.06 and 10,912.58

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Solution

The fourth proportional to 19,863.86, 27,411.06 and 10,912.58 is: 15,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.86 : 27,411.06 = 10,912.58 : x
  2. Step 2: Convert to fraction form
    19,863.86/27,411.06 = 10,912.58/x
  3. Step 3: Cross multiply
    19,863.86x = 27,411.06 × 10,912.58
  4. Step 4: Simplify right side
    19,863.86x = 299,125,385.13
  5. Step 5: Solve for x
    x = 299,125,385.13/19,863.86
  6. Step 6: Final answer
    x = 15,058.77

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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.