Home / 17,585.28-26,378.73-9,788.22

Finding the Fourth Proportional to 17,585.28, 26,378.73 and 9,788.22

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Solution

The fourth proportional to 17,585.28, 26,378.73 and 9,788.22 is: 14,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,585.28 : 26,378.73 = 9,788.22 : x
  2. Step 2: Convert to fraction form
    17,585.28/26,378.73 = 9,788.22/x
  3. Step 3: Cross multiply
    17,585.28x = 26,378.73 × 9,788.22
  4. Step 4: Simplify right side
    17,585.28x = 258,200,812.56
  5. Step 5: Solve for x
    x = 258,200,812.56/17,585.28
  6. Step 6: Final answer
    x = 14,682.78

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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.