Home / 25,805.36-38,743.88-13,334.60

Finding the Fourth Proportional to 25,805.36, 38,743.88 and 13,334.60

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Solution

The fourth proportional to 25,805.36, 38,743.88 and 13,334.60 is: 20,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.36 : 38,743.88 = 13,334.60 : x
  2. Step 2: Convert to fraction form
    25,805.36/38,743.88 = 13,334.60/x
  3. Step 3: Cross multiply
    25,805.36x = 38,743.88 × 13,334.60
  4. Step 4: Simplify right side
    25,805.36x = 516,633,881.86
  5. Step 5: Solve for x
    x = 516,633,881.86/25,805.36
  6. Step 6: Final answer
    x = 20,020.41

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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.