Home / 14,040.50-21,066.90-6,650.24

Finding the Fourth Proportional to 14,040.50, 21,066.90 and 6,650.24

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Solution

The fourth proportional to 14,040.50, 21,066.90 and 6,650.24 is: 9,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.50 : 21,066.90 = 6,650.24 : x
  2. Step 2: Convert to fraction form
    14,040.50/21,066.90 = 6,650.24/x
  3. Step 3: Cross multiply
    14,040.50x = 21,066.90 × 6,650.24
  4. Step 4: Simplify right side
    14,040.50x = 140,099,941.06
  5. Step 5: Solve for x
    x = 140,099,941.06/14,040.50
  6. Step 6: Final answer
    x = 9,978.27

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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.