Home / 22,684.95-31,302.84-12,611.77

Finding the Fourth Proportional to 22,684.95, 31,302.84 and 12,611.77

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Solution

The fourth proportional to 22,684.95, 31,302.84 and 12,611.77 is: 17,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,684.95 : 31,302.84 = 12,611.77 : x
  2. Step 2: Convert to fraction form
    22,684.95/31,302.84 = 12,611.77/x
  3. Step 3: Cross multiply
    22,684.95x = 31,302.84 × 12,611.77
  4. Step 4: Simplify right side
    22,684.95x = 394,784,218.43
  5. Step 5: Solve for x
    x = 394,784,218.43/22,684.95
  6. Step 6: Final answer
    x = 17,402.91

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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.