Home / 15,767.37-21,759.26-8,597.34

Finding the Fourth Proportional to 15,767.37, 21,759.26 and 8,597.34

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Solution

The fourth proportional to 15,767.37, 21,759.26 and 8,597.34 is: 11,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.37 : 21,759.26 = 8,597.34 : x
  2. Step 2: Convert to fraction form
    15,767.37/21,759.26 = 8,597.34/x
  3. Step 3: Cross multiply
    15,767.37x = 21,759.26 × 8,597.34
  4. Step 4: Simplify right side
    15,767.37x = 187,071,713.38
  5. Step 5: Solve for x
    x = 187,071,713.38/15,767.37
  6. Step 6: Final answer
    x = 11,864.48

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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.