Home / 22,675.48-31,291.96-12,603.66

Finding the Fourth Proportional to 22,675.48, 31,291.96 and 12,603.66

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Solution

The fourth proportional to 22,675.48, 31,291.96 and 12,603.66 is: 17,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.48 : 31,291.96 = 12,603.66 : x
  2. Step 2: Convert to fraction form
    22,675.48/31,291.96 = 12,603.66/x
  3. Step 3: Cross multiply
    22,675.48x = 31,291.96 × 12,603.66
  4. Step 4: Simplify right side
    22,675.48x = 394,393,224.57
  5. Step 5: Solve for x
    x = 394,393,224.57/22,675.48
  6. Step 6: Final answer
    x = 17,392.94

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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.