Home / 13,937.70-19,183.95-12,608.58

Finding the Fourth Proportional to 13,937.70, 19,183.95 and 12,608.58

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Solution

The fourth proportional to 13,937.70, 19,183.95 and 12,608.58 is: 17,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.70 : 19,183.95 = 12,608.58 : x
  2. Step 2: Convert to fraction form
    13,937.70/19,183.95 = 12,608.58/x
  3. Step 3: Cross multiply
    13,937.70x = 19,183.95 × 12,608.58
  4. Step 4: Simplify right side
    13,937.70x = 241,882,368.29
  5. Step 5: Solve for x
    x = 241,882,368.29/13,937.70
  6. Step 6: Final answer
    x = 17,354.54

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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.