Home / 22,561.84-31,135.26-12,625.84

Finding the Fourth Proportional to 22,561.84, 31,135.26 and 12,625.84

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Solution

The fourth proportional to 22,561.84, 31,135.26 and 12,625.84 is: 17,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,561.84 : 31,135.26 = 12,625.84 : x
  2. Step 2: Convert to fraction form
    22,561.84/31,135.26 = 12,625.84/x
  3. Step 3: Cross multiply
    22,561.84x = 31,135.26 × 12,625.84
  4. Step 4: Simplify right side
    22,561.84x = 393,108,811.12
  5. Step 5: Solve for x
    x = 393,108,811.12/22,561.84
  6. Step 6: Final answer
    x = 17,423.61

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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.