Home / 15,453.81-23,180.67-13,367.61

Finding the Fourth Proportional to 15,453.81, 23,180.67 and 13,367.61

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Solution

The fourth proportional to 15,453.81, 23,180.67 and 13,367.61 is: 20,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.81 : 23,180.67 = 13,367.61 : x
  2. Step 2: Convert to fraction form
    15,453.81/23,180.67 = 13,367.61/x
  3. Step 3: Cross multiply
    15,453.81x = 23,180.67 × 13,367.61
  4. Step 4: Simplify right side
    15,453.81x = 309,870,156.10
  5. Step 5: Solve for x
    x = 309,870,156.10/15,453.81
  6. Step 6: Final answer
    x = 20,051.38

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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.