Home / 22,745.31-31,352.16-15,176.67

Finding the Fourth Proportional to 22,745.31, 31,352.16 and 15,176.67

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Solution

The fourth proportional to 22,745.31, 31,352.16 and 15,176.67 is: 20,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.31 : 31,352.16 = 15,176.67 : x
  2. Step 2: Convert to fraction form
    22,745.31/31,352.16 = 15,176.67/x
  3. Step 3: Cross multiply
    22,745.31x = 31,352.16 × 15,176.67
  4. Step 4: Simplify right side
    22,745.31x = 475,821,386.11
  5. Step 5: Solve for x
    x = 475,821,386.11/22,745.31
  6. Step 6: Final answer
    x = 20,919.54

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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.