Home / 19,583.82-27,015.66-12,502.80

Finding the Fourth Proportional to 19,583.82, 27,015.66 and 12,502.80

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Solution

The fourth proportional to 19,583.82, 27,015.66 and 12,502.80 is: 17,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.82 : 27,015.66 = 12,502.80 : x
  2. Step 2: Convert to fraction form
    19,583.82/27,015.66 = 12,502.80/x
  3. Step 3: Cross multiply
    19,583.82x = 27,015.66 × 12,502.80
  4. Step 4: Simplify right side
    19,583.82x = 337,771,393.85
  5. Step 5: Solve for x
    x = 337,771,393.85/19,583.82
  6. Step 6: Final answer
    x = 17,247.47

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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.