Home / 22,625.72-31,225.21-12,556.07

Finding the Fourth Proportional to 22,625.72, 31,225.21 and 12,556.07

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Solution

The fourth proportional to 22,625.72, 31,225.21 and 12,556.07 is: 17,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.72 : 31,225.21 = 12,556.07 : x
  2. Step 2: Convert to fraction form
    22,625.72/31,225.21 = 12,556.07/x
  3. Step 3: Cross multiply
    22,625.72x = 31,225.21 × 12,556.07
  4. Step 4: Simplify right side
    22,625.72x = 392,065,922.52
  5. Step 5: Solve for x
    x = 392,065,922.52/22,625.72
  6. Step 6: Final answer
    x = 17,328.33

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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.