Home / 25,623.33-38,391.26-13,915.59

Finding the Fourth Proportional to 25,623.33, 38,391.26 and 13,915.59

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Solution

The fourth proportional to 25,623.33, 38,391.26 and 13,915.59 is: 20,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.33 : 38,391.26 = 13,915.59 : x
  2. Step 2: Convert to fraction form
    25,623.33/38,391.26 = 13,915.59/x
  3. Step 3: Cross multiply
    25,623.33x = 38,391.26 × 13,915.59
  4. Step 4: Simplify right side
    25,623.33x = 534,237,033.74
  5. Step 5: Solve for x
    x = 534,237,033.74/25,623.33
  6. Step 6: Final answer
    x = 20,849.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.