Home / 14,977.90-22,469.01-7,180.30

Finding the Fourth Proportional to 14,977.90, 22,469.01 and 7,180.30

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Solution

The fourth proportional to 14,977.90, 22,469.01 and 7,180.30 is: 10,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.90 : 22,469.01 = 7,180.30 : x
  2. Step 2: Convert to fraction form
    14,977.90/22,469.01 = 7,180.30/x
  3. Step 3: Cross multiply
    14,977.90x = 22,469.01 × 7,180.30
  4. Step 4: Simplify right side
    14,977.90x = 161,334,232.50
  5. Step 5: Solve for x
    x = 161,334,232.50/14,977.90
  6. Step 6: Final answer
    x = 10,771.49

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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.