Home / 19,605.05-27,055.40-11,647.29

Finding the Fourth Proportional to 19,605.05, 27,055.40 and 11,647.29

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Solution

The fourth proportional to 19,605.05, 27,055.40 and 11,647.29 is: 16,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.05 : 27,055.40 = 11,647.29 : x
  2. Step 2: Convert to fraction form
    19,605.05/27,055.40 = 11,647.29/x
  3. Step 3: Cross multiply
    19,605.05x = 27,055.40 × 11,647.29
  4. Step 4: Simplify right side
    19,605.05x = 315,122,031.63
  5. Step 5: Solve for x
    x = 315,122,031.63/19,605.05
  6. Step 6: Final answer
    x = 16,073.52

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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.