Home / 14,467.89-19,967.31-8,180.67

Finding the Fourth Proportional to 14,467.89, 19,967.31 and 8,180.67

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Solution

The fourth proportional to 14,467.89, 19,967.31 and 8,180.67 is: 11,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.89 : 19,967.31 = 8,180.67 : x
  2. Step 2: Convert to fraction form
    14,467.89/19,967.31 = 8,180.67/x
  3. Step 3: Cross multiply
    14,467.89x = 19,967.31 × 8,180.67
  4. Step 4: Simplify right side
    14,467.89x = 163,345,973.90
  5. Step 5: Solve for x
    x = 163,345,973.90/14,467.89
  6. Step 6: Final answer
    x = 11,290.24

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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.