Home / 13,622.24-20,442.26-5,831.66

Finding the Fourth Proportional to 13,622.24, 20,442.26 and 5,831.66

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Solution

The fourth proportional to 13,622.24, 20,442.26 and 5,831.66 is: 8,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.24 : 20,442.26 = 5,831.66 : x
  2. Step 2: Convert to fraction form
    13,622.24/20,442.26 = 5,831.66/x
  3. Step 3: Cross multiply
    13,622.24x = 20,442.26 × 5,831.66
  4. Step 4: Simplify right side
    13,622.24x = 119,212,309.95
  5. Step 5: Solve for x
    x = 119,212,309.95/13,622.24
  6. Step 6: Final answer
    x = 8,751.30

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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.