Home / 17,666.20-26,500.21-4,518.69

Finding the Fourth Proportional to 17,666.20, 26,500.21 and 4,518.69

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Solution

The fourth proportional to 17,666.20, 26,500.21 and 4,518.69 is: 6,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.20 : 26,500.21 = 4,518.69 : x
  2. Step 2: Convert to fraction form
    17,666.20/26,500.21 = 4,518.69/x
  3. Step 3: Cross multiply
    17,666.20x = 26,500.21 × 4,518.69
  4. Step 4: Simplify right side
    17,666.20x = 119,746,148.67
  5. Step 5: Solve for x
    x = 119,746,148.67/17,666.20
  6. Step 6: Final answer
    x = 6,778.26

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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.