Home / 19,208.44-28,762.18-15,440.22

Finding the Fourth Proportional to 19,208.44, 28,762.18 and 15,440.22

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Solution

The fourth proportional to 19,208.44, 28,762.18 and 15,440.22 is: 23,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.44 : 28,762.18 = 15,440.22 : x
  2. Step 2: Convert to fraction form
    19,208.44/28,762.18 = 15,440.22/x
  3. Step 3: Cross multiply
    19,208.44x = 28,762.18 × 15,440.22
  4. Step 4: Simplify right side
    19,208.44x = 444,094,326.57
  5. Step 5: Solve for x
    x = 444,094,326.57/19,208.44
  6. Step 6: Final answer
    x = 23,119.75

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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.