Home / 22,112.55-30,515.87-12,041.55

Finding the Fourth Proportional to 22,112.55, 30,515.87 and 12,041.55

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Solution

The fourth proportional to 22,112.55, 30,515.87 and 12,041.55 is: 16,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.55 : 30,515.87 = 12,041.55 : x
  2. Step 2: Convert to fraction form
    22,112.55/30,515.87 = 12,041.55/x
  3. Step 3: Cross multiply
    22,112.55x = 30,515.87 × 12,041.55
  4. Step 4: Simplify right side
    22,112.55x = 367,458,314.19
  5. Step 5: Solve for x
    x = 367,458,314.19/22,112.55
  6. Step 6: Final answer
    x = 16,617.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.