Home / 26,449.87-39,670.47-9,805.99

Finding the Fourth Proportional to 26,449.87, 39,670.47 and 9,805.99

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Solution

The fourth proportional to 26,449.87, 39,670.47 and 9,805.99 is: 14,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.87 : 39,670.47 = 9,805.99 : x
  2. Step 2: Convert to fraction form
    26,449.87/39,670.47 = 9,805.99/x
  3. Step 3: Cross multiply
    26,449.87x = 39,670.47 × 9,805.99
  4. Step 4: Simplify right side
    26,449.87x = 389,008,232.12
  5. Step 5: Solve for x
    x = 389,008,232.12/26,449.87
  6. Step 6: Final answer
    x = 14,707.38

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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.