Home / 12,240.68-16,765.57-11,522.57

Finding the Fourth Proportional to 12,240.68, 16,765.57 and 11,522.57

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Solution

The fourth proportional to 12,240.68, 16,765.57 and 11,522.57 is: 15,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.68 : 16,765.57 = 11,522.57 : x
  2. Step 2: Convert to fraction form
    12,240.68/16,765.57 = 11,522.57/x
  3. Step 3: Cross multiply
    12,240.68x = 16,765.57 × 11,522.57
  4. Step 4: Simplify right side
    12,240.68x = 193,182,453.91
  5. Step 5: Solve for x
    x = 193,182,453.91/12,240.68
  6. Step 6: Final answer
    x = 15,782.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.