Home / 19,575.36-27,002.70-12,493.80

Finding the Fourth Proportional to 19,575.36, 27,002.70 and 12,493.80

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Solution

The fourth proportional to 19,575.36, 27,002.70 and 12,493.80 is: 17,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.36 : 27,002.70 = 12,493.80 : x
  2. Step 2: Convert to fraction form
    19,575.36/27,002.70 = 12,493.80/x
  3. Step 3: Cross multiply
    19,575.36x = 27,002.70 × 12,493.80
  4. Step 4: Simplify right side
    19,575.36x = 337,366,333.26
  5. Step 5: Solve for x
    x = 337,366,333.26/19,575.36
  6. Step 6: Final answer
    x = 17,234.23

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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.