Home / 13,180.50-19,765.26-4,860.98

Finding the Fourth Proportional to 13,180.50, 19,765.26 and 4,860.98

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Solution

The fourth proportional to 13,180.50, 19,765.26 and 4,860.98 is: 7,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.50 : 19,765.26 = 4,860.98 : x
  2. Step 2: Convert to fraction form
    13,180.50/19,765.26 = 4,860.98/x
  3. Step 3: Cross multiply
    13,180.50x = 19,765.26 × 4,860.98
  4. Step 4: Simplify right side
    13,180.50x = 96,078,533.55
  5. Step 5: Solve for x
    x = 96,078,533.55/13,180.50
  6. Step 6: Final answer
    x = 7,289.45

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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.