Home / 19,603.35-27,058.82-12,529.80

Finding the Fourth Proportional to 19,603.35, 27,058.82 and 12,529.80

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Solution

The fourth proportional to 19,603.35, 27,058.82 and 12,529.80 is: 17,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.35 : 27,058.82 = 12,529.80 : x
  2. Step 2: Convert to fraction form
    19,603.35/27,058.82 = 12,529.80/x
  3. Step 3: Cross multiply
    19,603.35x = 27,058.82 × 12,529.80
  4. Step 4: Simplify right side
    19,603.35x = 339,041,540.19
  5. Step 5: Solve for x
    x = 339,041,540.19/19,603.35
  6. Step 6: Final answer
    x = 17,295.08

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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.