Home / 23,915.36-33,002.28-13,305.65

Finding the Fourth Proportional to 23,915.36, 33,002.28 and 13,305.65

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Solution

The fourth proportional to 23,915.36, 33,002.28 and 13,305.65 is: 18,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,915.36 : 33,002.28 = 13,305.65 : x
  2. Step 2: Convert to fraction form
    23,915.36/33,002.28 = 13,305.65/x
  3. Step 3: Cross multiply
    23,915.36x = 33,002.28 × 13,305.65
  4. Step 4: Simplify right side
    23,915.36x = 439,116,786.88
  5. Step 5: Solve for x
    x = 439,116,786.88/23,915.36
  6. Step 6: Final answer
    x = 18,361.29

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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.