Home / 19,676.85-27,153.25-10,724.15

Finding the Fourth Proportional to 19,676.85, 27,153.25 and 10,724.15

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Solution

The fourth proportional to 19,676.85, 27,153.25 and 10,724.15 is: 14,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.85 : 27,153.25 = 10,724.15 : x
  2. Step 2: Convert to fraction form
    19,676.85/27,153.25 = 10,724.15/x
  3. Step 3: Cross multiply
    19,676.85x = 27,153.25 × 10,724.15
  4. Step 4: Simplify right side
    19,676.85x = 291,195,607.28
  5. Step 5: Solve for x
    x = 291,195,607.28/19,676.85
  6. Step 6: Final answer
    x = 14,798.90

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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.