Home / 13,180.98-19,767.60-5,283.48

Finding the Fourth Proportional to 13,180.98, 19,767.60 and 5,283.48

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Solution

The fourth proportional to 13,180.98, 19,767.60 and 5,283.48 is: 7,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.98 : 19,767.60 = 5,283.48 : x
  2. Step 2: Convert to fraction form
    13,180.98/19,767.60 = 5,283.48/x
  3. Step 3: Cross multiply
    13,180.98x = 19,767.60 × 5,283.48
  4. Step 4: Simplify right side
    13,180.98x = 104,441,719.25
  5. Step 5: Solve for x
    x = 104,441,719.25/13,180.98
  6. Step 6: Final answer
    x = 7,923.67

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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.