Home / 17,801.05-26,680.21-8,300.56

Finding the Fourth Proportional to 17,801.05, 26,680.21 and 8,300.56

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Solution

The fourth proportional to 17,801.05, 26,680.21 and 8,300.56 is: 12,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.05 : 26,680.21 = 8,300.56 : x
  2. Step 2: Convert to fraction form
    17,801.05/26,680.21 = 8,300.56/x
  3. Step 3: Cross multiply
    17,801.05x = 26,680.21 × 8,300.56
  4. Step 4: Simplify right side
    17,801.05x = 221,460,683.92
  5. Step 5: Solve for x
    x = 221,460,683.92/17,801.05
  6. Step 6: Final answer
    x = 12,440.88

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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.