Home / 22,100.40-33,150.72-6,518.40

Finding the Fourth Proportional to 22,100.40, 33,150.72 and 6,518.40

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Solution

The fourth proportional to 22,100.40, 33,150.72 and 6,518.40 is: 9,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,100.40 : 33,150.72 = 6,518.40 : x
  2. Step 2: Convert to fraction form
    22,100.40/33,150.72 = 6,518.40/x
  3. Step 3: Cross multiply
    22,100.40x = 33,150.72 × 6,518.40
  4. Step 4: Simplify right side
    22,100.40x = 216,089,653.25
  5. Step 5: Solve for x
    x = 216,089,653.25/22,100.40
  6. Step 6: Final answer
    x = 9,777.64

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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.