Home / 19,576.51-27,002.20-12,499.74

Finding the Fourth Proportional to 19,576.51, 27,002.20 and 12,499.74

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Solution

The fourth proportional to 19,576.51, 27,002.20 and 12,499.74 is: 17,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.51 : 27,002.20 = 12,499.74 : x
  2. Step 2: Convert to fraction form
    19,576.51/27,002.20 = 12,499.74/x
  3. Step 3: Cross multiply
    19,576.51x = 27,002.20 × 12,499.74
  4. Step 4: Simplify right side
    19,576.51x = 337,520,546.93
  5. Step 5: Solve for x
    x = 337,520,546.93/19,576.51
  6. Step 6: Final answer
    x = 17,241.10

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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.