Home / 14,150.40-21,225.96-7,906.92

Finding the Fourth Proportional to 14,150.40, 21,225.96 and 7,906.92

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Solution

The fourth proportional to 14,150.40, 21,225.96 and 7,906.92 is: 11,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.40 : 21,225.96 = 7,906.92 : x
  2. Step 2: Convert to fraction form
    14,150.40/21,225.96 = 7,906.92/x
  3. Step 3: Cross multiply
    14,150.40x = 21,225.96 × 7,906.92
  4. Step 4: Simplify right side
    14,150.40x = 167,831,967.64
  5. Step 5: Solve for x
    x = 167,831,967.64/14,150.40
  6. Step 6: Final answer
    x = 11,860.58

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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.