Home / 17,687.36-26,531.44-4,539.76

Finding the Fourth Proportional to 17,687.36, 26,531.44 and 4,539.76

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Solution

The fourth proportional to 17,687.36, 26,531.44 and 4,539.76 is: 6,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.36 : 26,531.44 = 4,539.76 : x
  2. Step 2: Convert to fraction form
    17,687.36/26,531.44 = 4,539.76/x
  3. Step 3: Cross multiply
    17,687.36x = 26,531.44 × 4,539.76
  4. Step 4: Simplify right side
    17,687.36x = 120,446,370.05
  5. Step 5: Solve for x
    x = 120,446,370.05/17,687.36
  6. Step 6: Final answer
    x = 6,809.74

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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.