Home / 26,518.42-39,777.93-7,798.83

Finding the Fourth Proportional to 26,518.42, 39,777.93 and 7,798.83

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Solution

The fourth proportional to 26,518.42, 39,777.93 and 7,798.83 is: 11,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.42 : 39,777.93 = 7,798.83 : x
  2. Step 2: Convert to fraction form
    26,518.42/39,777.93 = 7,798.83/x
  3. Step 3: Cross multiply
    26,518.42x = 39,777.93 × 7,798.83
  4. Step 4: Simplify right side
    26,518.42x = 310,221,313.82
  5. Step 5: Solve for x
    x = 310,221,313.82/26,518.42
  6. Step 6: Final answer
    x = 11,698.33

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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.