Home / 19,005.88-28,511.50-5,859.32

Finding the Fourth Proportional to 19,005.88, 28,511.50 and 5,859.32

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Solution

The fourth proportional to 19,005.88, 28,511.50 and 5,859.32 is: 8,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.88 : 28,511.50 = 5,859.32 : x
  2. Step 2: Convert to fraction form
    19,005.88/28,511.50 = 5,859.32/x
  3. Step 3: Cross multiply
    19,005.88x = 28,511.50 × 5,859.32
  4. Step 4: Simplify right side
    19,005.88x = 167,058,002.18
  5. Step 5: Solve for x
    x = 167,058,002.18/19,005.88
  6. Step 6: Final answer
    x = 8,789.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.