Home / 19,120.36-26,386.22-10,622.38

Finding the Fourth Proportional to 19,120.36, 26,386.22 and 10,622.38

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Solution

The fourth proportional to 19,120.36, 26,386.22 and 10,622.38 is: 14,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.36 : 26,386.22 = 10,622.38 : x
  2. Step 2: Convert to fraction form
    19,120.36/26,386.22 = 10,622.38/x
  3. Step 3: Cross multiply
    19,120.36x = 26,386.22 × 10,622.38
  4. Step 4: Simplify right side
    19,120.36x = 280,284,270.56
  5. Step 5: Solve for x
    x = 280,284,270.56/19,120.36
  6. Step 6: Final answer
    x = 14,658.95

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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.