Home / 38,448.44-57,674.74-12,151.20

Finding the Fourth Proportional to 38,448.44, 57,674.74 and 12,151.20

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Solution

The fourth proportional to 38,448.44, 57,674.74 and 12,151.20 is: 18,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.44 : 57,674.74 = 12,151.20 : x
  2. Step 2: Convert to fraction form
    38,448.44/57,674.74 = 12,151.20/x
  3. Step 3: Cross multiply
    38,448.44x = 57,674.74 × 12,151.20
  4. Step 4: Simplify right side
    38,448.44x = 700,817,300.69
  5. Step 5: Solve for x
    x = 700,817,300.69/38,448.44
  6. Step 6: Final answer
    x = 18,227.46

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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.