Home / 38,111.64-57,173.52-11,810.94

Finding the Fourth Proportional to 38,111.64, 57,173.52 and 11,810.94

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Solution

The fourth proportional to 38,111.64, 57,173.52 and 11,810.94 is: 17,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.64 : 57,173.52 = 11,810.94 : x
  2. Step 2: Convert to fraction form
    38,111.64/57,173.52 = 11,810.94/x
  3. Step 3: Cross multiply
    38,111.64x = 57,173.52 × 11,810.94
  4. Step 4: Simplify right side
    38,111.64x = 675,273,014.31
  5. Step 5: Solve for x
    x = 675,273,014.31/38,111.64
  6. Step 6: Final answer
    x = 17,718.29

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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.