Home / 26,416.79-39,628.88-8,648.84

Finding the Fourth Proportional to 26,416.79, 39,628.88 and 8,648.84

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Solution

The fourth proportional to 26,416.79, 39,628.88 and 8,648.84 is: 12,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,416.79 : 39,628.88 = 8,648.84 : x
  2. Step 2: Convert to fraction form
    26,416.79/39,628.88 = 8,648.84/x
  3. Step 3: Cross multiply
    26,416.79x = 39,628.88 × 8,648.84
  4. Step 4: Simplify right side
    26,416.79x = 342,743,842.50
  5. Step 5: Solve for x
    x = 342,743,842.50/26,416.79
  6. Step 6: Final answer
    x = 12,974.47

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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.