Home / 26,191.53-39,278.79-11,396.07

Finding the Fourth Proportional to 26,191.53, 39,278.79 and 11,396.07

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Solution

The fourth proportional to 26,191.53, 39,278.79 and 11,396.07 is: 17,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,191.53 : 39,278.79 = 11,396.07 : x
  2. Step 2: Convert to fraction form
    26,191.53/39,278.79 = 11,396.07/x
  3. Step 3: Cross multiply
    26,191.53x = 39,278.79 × 11,396.07
  4. Step 4: Simplify right side
    26,191.53x = 447,623,840.36
  5. Step 5: Solve for x
    x = 447,623,840.36/26,191.53
  6. Step 6: Final answer
    x = 17,090.40

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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.