Home / 38,113.89-57,176.90-11,813.19

Finding the Fourth Proportional to 38,113.89, 57,176.90 and 11,813.19

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Solution

The fourth proportional to 38,113.89, 57,176.90 and 11,813.19 is: 17,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.89 : 57,176.90 = 11,813.19 : x
  2. Step 2: Convert to fraction form
    38,113.89/57,176.90 = 11,813.19/x
  3. Step 3: Cross multiply
    38,113.89x = 57,176.90 × 11,813.19
  4. Step 4: Simplify right side
    38,113.89x = 675,441,583.31
  5. Step 5: Solve for x
    x = 675,441,583.31/38,113.89
  6. Step 6: Final answer
    x = 17,721.66

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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.