Home / 26,969.93-37,218.38-15,645.99

Finding the Fourth Proportional to 26,969.93, 37,218.38 and 15,645.99

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Solution

The fourth proportional to 26,969.93, 37,218.38 and 15,645.99 is: 21,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.93 : 37,218.38 = 15,645.99 : x
  2. Step 2: Convert to fraction form
    26,969.93/37,218.38 = 15,645.99/x
  3. Step 3: Cross multiply
    26,969.93x = 37,218.38 × 15,645.99
  4. Step 4: Simplify right side
    26,969.93x = 582,318,323.07
  5. Step 5: Solve for x
    x = 582,318,323.07/26,969.93
  6. Step 6: Final answer
    x = 21,591.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.