Home / 22,017.40-33,050.40-12,151.60

Finding the Fourth Proportional to 22,017.40, 33,050.40 and 12,151.60

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Solution

The fourth proportional to 22,017.40, 33,050.40 and 12,151.60 is: 18,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.40 : 33,050.40 = 12,151.60 : x
  2. Step 2: Convert to fraction form
    22,017.40/33,050.40 = 12,151.60/x
  3. Step 3: Cross multiply
    22,017.40x = 33,050.40 × 12,151.60
  4. Step 4: Simplify right side
    22,017.40x = 401,615,240.64
  5. Step 5: Solve for x
    x = 401,615,240.64/22,017.40
  6. Step 6: Final answer
    x = 18,240.81

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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.