Home / 23,915.90-33,003.95-13,305.54

Finding the Fourth Proportional to 23,915.90, 33,003.95 and 13,305.54

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Solution

The fourth proportional to 23,915.90, 33,003.95 and 13,305.54 is: 18,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,915.90 : 33,003.95 = 13,305.54 : x
  2. Step 2: Convert to fraction form
    23,915.90/33,003.95 = 13,305.54/x
  3. Step 3: Cross multiply
    23,915.90x = 33,003.95 × 13,305.54
  4. Step 4: Simplify right side
    23,915.90x = 439,135,393.51
  5. Step 5: Solve for x
    x = 439,135,393.51/23,915.90
  6. Step 6: Final answer
    x = 18,361.65

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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.