Home / 15,767.56-21,758.94-8,597.53

Finding the Fourth Proportional to 15,767.56, 21,758.94 and 8,597.53

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Solution

The fourth proportional to 15,767.56, 21,758.94 and 8,597.53 is: 11,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.56 : 21,758.94 = 8,597.53 : x
  2. Step 2: Convert to fraction form
    15,767.56/21,758.94 = 8,597.53/x
  3. Step 3: Cross multiply
    15,767.56x = 21,758.94 × 8,597.53
  4. Step 4: Simplify right side
    15,767.56x = 187,073,139.42
  5. Step 5: Solve for x
    x = 187,073,139.42/15,767.56
  6. Step 6: Final answer
    x = 11,864.43

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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.