Home / 44,112.25-66,168.38-12,947.50

Finding the Fourth Proportional to 44,112.25, 66,168.38 and 12,947.50

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Solution

The fourth proportional to 44,112.25, 66,168.38 and 12,947.50 is: 19,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,112.25 : 66,168.38 = 12,947.50 : x
  2. Step 2: Convert to fraction form
    44,112.25/66,168.38 = 12,947.50/x
  3. Step 3: Cross multiply
    44,112.25x = 66,168.38 × 12,947.50
  4. Step 4: Simplify right side
    44,112.25x = 856,715,100.05
  5. Step 5: Solve for x
    x = 856,715,100.05/44,112.25
  6. Step 6: Final answer
    x = 19,421.25

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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.