Home / 17,721.19-26,581.88-4,572.66

Finding the Fourth Proportional to 17,721.19, 26,581.88 and 4,572.66

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Solution

The fourth proportional to 17,721.19, 26,581.88 and 4,572.66 is: 6,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.19 : 26,581.88 = 4,572.66 : x
  2. Step 2: Convert to fraction form
    17,721.19/26,581.88 = 4,572.66/x
  3. Step 3: Cross multiply
    17,721.19x = 26,581.88 × 4,572.66
  4. Step 4: Simplify right side
    17,721.19x = 121,549,910.83
  5. Step 5: Solve for x
    x = 121,549,910.83/17,721.19
  6. Step 6: Final answer
    x = 6,859.02

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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.