Home / 22,674.75-31,290.13-12,603.14

Finding the Fourth Proportional to 22,674.75, 31,290.13 and 12,603.14

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Solution

The fourth proportional to 22,674.75, 31,290.13 and 12,603.14 is: 17,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.75 : 31,290.13 = 12,603.14 : x
  2. Step 2: Convert to fraction form
    22,674.75/31,290.13 = 12,603.14/x
  3. Step 3: Cross multiply
    22,674.75x = 31,290.13 × 12,603.14
  4. Step 4: Simplify right side
    22,674.75x = 394,353,889.01
  5. Step 5: Solve for x
    x = 394,353,889.01/22,674.75
  6. Step 6: Final answer
    x = 17,391.76

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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.