Home / 19,629.20-27,088.02-10,676.78

Finding the Fourth Proportional to 19,629.20, 27,088.02 and 10,676.78

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Solution

The fourth proportional to 19,629.20, 27,088.02 and 10,676.78 is: 14,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.20 : 27,088.02 = 10,676.78 : x
  2. Step 2: Convert to fraction form
    19,629.20/27,088.02 = 10,676.78/x
  3. Step 3: Cross multiply
    19,629.20x = 27,088.02 × 10,676.78
  4. Step 4: Simplify right side
    19,629.20x = 289,212,796.32
  5. Step 5: Solve for x
    x = 289,212,796.32/19,629.20
  6. Step 6: Final answer
    x = 14,733.80

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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.