Home / 14,180.74-19,567.73-8,211.60

Finding the Fourth Proportional to 14,180.74, 19,567.73 and 8,211.60

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Solution

The fourth proportional to 14,180.74, 19,567.73 and 8,211.60 is: 11,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.74 : 19,567.73 = 8,211.60 : x
  2. Step 2: Convert to fraction form
    14,180.74/19,567.73 = 8,211.60/x
  3. Step 3: Cross multiply
    14,180.74x = 19,567.73 × 8,211.60
  4. Step 4: Simplify right side
    14,180.74x = 160,682,371.67
  5. Step 5: Solve for x
    x = 160,682,371.67/14,180.74
  6. Step 6: Final answer
    x = 11,331.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.