Home / 22,790.77-31,435.90-19,801.46

Finding the Fourth Proportional to 22,790.77, 31,435.90 and 19,801.46

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Solution

The fourth proportional to 22,790.77, 31,435.90 and 19,801.46 is: 27,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.77 : 31,435.90 = 19,801.46 : x
  2. Step 2: Convert to fraction form
    22,790.77/31,435.90 = 19,801.46/x
  3. Step 3: Cross multiply
    22,790.77x = 31,435.90 × 19,801.46
  4. Step 4: Simplify right side
    22,790.77x = 622,476,745.50
  5. Step 5: Solve for x
    x = 622,476,745.50/22,790.77
  6. Step 6: Final answer
    x = 27,312.67

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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.