Home / 23,033.39-31,783.77-12,961.58

Finding the Fourth Proportional to 23,033.39, 31,783.77 and 12,961.58

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Solution

The fourth proportional to 23,033.39, 31,783.77 and 12,961.58 is: 17,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,033.39 : 31,783.77 = 12,961.58 : x
  2. Step 2: Convert to fraction form
    23,033.39/31,783.77 = 12,961.58/x
  3. Step 3: Cross multiply
    23,033.39x = 31,783.77 × 12,961.58
  4. Step 4: Simplify right side
    23,033.39x = 411,967,877.56
  5. Step 5: Solve for x
    x = 411,967,877.56/23,033.39
  6. Step 6: Final answer
    x = 17,885.68

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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.