Home / 22,161.88-30,586.22-12,605.50

Finding the Fourth Proportional to 22,161.88, 30,586.22 and 12,605.50

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Solution

The fourth proportional to 22,161.88, 30,586.22 and 12,605.50 is: 17,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.88 : 30,586.22 = 12,605.50 : x
  2. Step 2: Convert to fraction form
    22,161.88/30,586.22 = 12,605.50/x
  3. Step 3: Cross multiply
    22,161.88x = 30,586.22 × 12,605.50
  4. Step 4: Simplify right side
    22,161.88x = 385,554,596.21
  5. Step 5: Solve for x
    x = 385,554,596.21/22,161.88
  6. Step 6: Final answer
    x = 17,397.20

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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.