Home / 23,470.40-32,388.45-12,859.67

Finding the Fourth Proportional to 23,470.40, 32,388.45 and 12,859.67

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Solution

The fourth proportional to 23,470.40, 32,388.45 and 12,859.67 is: 17,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,470.40 : 32,388.45 = 12,859.67 : x
  2. Step 2: Convert to fraction form
    23,470.40/32,388.45 = 12,859.67/x
  3. Step 3: Cross multiply
    23,470.40x = 32,388.45 × 12,859.67
  4. Step 4: Simplify right side
    23,470.40x = 416,504,778.81
  5. Step 5: Solve for x
    x = 416,504,778.81/23,470.40
  6. Step 6: Final answer
    x = 17,745.96

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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.