Home / 22,055.94-30,435.21-12,625.38

Finding the Fourth Proportional to 22,055.94, 30,435.21 and 12,625.38

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Solution

The fourth proportional to 22,055.94, 30,435.21 and 12,625.38 is: 17,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.94 : 30,435.21 = 12,625.38 : x
  2. Step 2: Convert to fraction form
    22,055.94/30,435.21 = 12,625.38/x
  3. Step 3: Cross multiply
    22,055.94x = 30,435.21 × 12,625.38
  4. Step 4: Simplify right side
    22,055.94x = 384,256,091.63
  5. Step 5: Solve for x
    x = 384,256,091.63/22,055.94
  6. Step 6: Final answer
    x = 17,421.89

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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.