Home / 23,395.12-32,286.80-13,188.67

Finding the Fourth Proportional to 23,395.12, 32,286.80 and 13,188.67

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Solution

The fourth proportional to 23,395.12, 32,286.80 and 13,188.67 is: 18,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,395.12 : 32,286.80 = 13,188.67 : x
  2. Step 2: Convert to fraction form
    23,395.12/32,286.80 = 13,188.67/x
  3. Step 3: Cross multiply
    23,395.12x = 32,286.80 × 13,188.67
  4. Step 4: Simplify right side
    23,395.12x = 425,819,950.56
  5. Step 5: Solve for x
    x = 425,819,950.56/23,395.12
  6. Step 6: Final answer
    x = 18,201.23

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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.