Home / 25,591.85-38,369.60-9,783.56

Finding the Fourth Proportional to 25,591.85, 38,369.60 and 9,783.56

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Solution

The fourth proportional to 25,591.85, 38,369.60 and 9,783.56 is: 14,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,591.85 : 38,369.60 = 9,783.56 : x
  2. Step 2: Convert to fraction form
    25,591.85/38,369.60 = 9,783.56/x
  3. Step 3: Cross multiply
    25,591.85x = 38,369.60 × 9,783.56
  4. Step 4: Simplify right side
    25,591.85x = 375,391,283.78
  5. Step 5: Solve for x
    x = 375,391,283.78/25,591.85
  6. Step 6: Final answer
    x = 14,668.39

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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.