Home / 13,223.07-19,831.53-3,861.11

Finding the Fourth Proportional to 13,223.07, 19,831.53 and 3,861.11

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Solution

The fourth proportional to 13,223.07, 19,831.53 and 3,861.11 is: 5,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.07 : 19,831.53 = 3,861.11 : x
  2. Step 2: Convert to fraction form
    13,223.07/19,831.53 = 3,861.11/x
  3. Step 3: Cross multiply
    13,223.07x = 19,831.53 × 3,861.11
  4. Step 4: Simplify right side
    13,223.07x = 76,571,718.80
  5. Step 5: Solve for x
    x = 76,571,718.80/13,223.07
  6. Step 6: Final answer
    x = 5,790.77

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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.