Home / 23,929.10-33,021.84-13,318.73

Finding the Fourth Proportional to 23,929.10, 33,021.84 and 13,318.73

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Solution

The fourth proportional to 23,929.10, 33,021.84 and 13,318.73 is: 18,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,929.10 : 33,021.84 = 13,318.73 : x
  2. Step 2: Convert to fraction form
    23,929.10/33,021.84 = 13,318.73/x
  3. Step 3: Cross multiply
    23,929.10x = 33,021.84 × 13,318.73
  4. Step 4: Simplify right side
    23,929.10x = 439,808,971.06
  5. Step 5: Solve for x
    x = 439,808,971.06/23,929.10
  6. Step 6: Final answer
    x = 18,379.67

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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.