Home / 23,021.18-31,768.70-14,068.65

Finding the Fourth Proportional to 23,021.18, 31,768.70 and 14,068.65

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Solution

The fourth proportional to 23,021.18, 31,768.70 and 14,068.65 is: 19,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.18 : 31,768.70 = 14,068.65 : x
  2. Step 2: Convert to fraction form
    23,021.18/31,768.70 = 14,068.65/x
  3. Step 3: Cross multiply
    23,021.18x = 31,768.70 × 14,068.65
  4. Step 4: Simplify right side
    23,021.18x = 446,942,650.91
  5. Step 5: Solve for x
    x = 446,942,650.91/23,021.18
  6. Step 6: Final answer
    x = 19,414.42

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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.