Home / 26,210.90-39,322.49-8,680.73

Finding the Fourth Proportional to 26,210.90, 39,322.49 and 8,680.73

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Solution

The fourth proportional to 26,210.90, 39,322.49 and 8,680.73 is: 13,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,210.90 : 39,322.49 = 8,680.73 : x
  2. Step 2: Convert to fraction form
    26,210.90/39,322.49 = 8,680.73/x
  3. Step 3: Cross multiply
    26,210.90x = 39,322.49 × 8,680.73
  4. Step 4: Simplify right side
    26,210.90x = 341,347,678.60
  5. Step 5: Solve for x
    x = 341,347,678.60/26,210.90
  6. Step 6: Final answer
    x = 13,023.12

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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.