Home / 26,526.88-36,608.16-15,912.64

Finding the Fourth Proportional to 26,526.88, 36,608.16 and 15,912.64

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Solution

The fourth proportional to 26,526.88, 36,608.16 and 15,912.64 is: 21,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,526.88 : 36,608.16 = 15,912.64 : x
  2. Step 2: Convert to fraction form
    26,526.88/36,608.16 = 15,912.64/x
  3. Step 3: Cross multiply
    26,526.88x = 36,608.16 × 15,912.64
  4. Step 4: Simplify right side
    26,526.88x = 582,532,471.14
  5. Step 5: Solve for x
    x = 582,532,471.14/26,526.88
  6. Step 6: Final answer
    x = 21,960.08

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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.