Home / 17,665.80-26,499.60-4,518.28

Finding the Fourth Proportional to 17,665.80, 26,499.60 and 4,518.28

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Solution

The fourth proportional to 17,665.80, 26,499.60 and 4,518.28 is: 6,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665.80 : 26,499.60 = 4,518.28 : x
  2. Step 2: Convert to fraction form
    17,665.80/26,499.60 = 4,518.28/x
  3. Step 3: Cross multiply
    17,665.80x = 26,499.60 × 4,518.28
  4. Step 4: Simplify right side
    17,665.80x = 119,732,612.69
  5. Step 5: Solve for x
    x = 119,732,612.69/17,665.80
  6. Step 6: Final answer
    x = 6,777.65

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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.