Home / 14,736.74-20,336.48-8,112.74

Finding the Fourth Proportional to 14,736.74, 20,336.48 and 8,112.74

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Solution

The fourth proportional to 14,736.74, 20,336.48 and 8,112.74 is: 11,195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.74 : 20,336.48 = 8,112.74 : x
  2. Step 2: Convert to fraction form
    14,736.74/20,336.48 = 8,112.74/x
  3. Step 3: Cross multiply
    14,736.74x = 20,336.48 × 8,112.74
  4. Step 4: Simplify right side
    14,736.74x = 164,984,574.76
  5. Step 5: Solve for x
    x = 164,984,574.76/14,736.74
  6. Step 6: Final answer
    x = 11,195.46

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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.