Home / 15,750.02-21,733.62-8,676.02

Finding the Fourth Proportional to 15,750.02, 21,733.62 and 8,676.02

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Solution

The fourth proportional to 15,750.02, 21,733.62 and 8,676.02 is: 11,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.02 : 21,733.62 = 8,676.02 : x
  2. Step 2: Convert to fraction form
    15,750.02/21,733.62 = 8,676.02/x
  3. Step 3: Cross multiply
    15,750.02x = 21,733.62 × 8,676.02
  4. Step 4: Simplify right side
    15,750.02x = 188,561,321.79
  5. Step 5: Solve for x
    x = 188,561,321.79/15,750.02
  6. Step 6: Final answer
    x = 11,972.13

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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.