Home / 22,675.23-31,291.79-12,603.36

Finding the Fourth Proportional to 22,675.23, 31,291.79 and 12,603.36

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Solution

The fourth proportional to 22,675.23, 31,291.79 and 12,603.36 is: 17,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.23 : 31,291.79 = 12,603.36 : x
  2. Step 2: Convert to fraction form
    22,675.23/31,291.79 = 12,603.36/x
  3. Step 3: Cross multiply
    22,675.23x = 31,291.79 × 12,603.36
  4. Step 4: Simplify right side
    22,675.23x = 394,381,569.46
  5. Step 5: Solve for x
    x = 394,381,569.46/22,675.23
  6. Step 6: Final answer
    x = 17,392.61

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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.