Home / 38,013.30-57,029.13-11,718.54

Finding the Fourth Proportional to 38,013.30, 57,029.13 and 11,718.54

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Solution

The fourth proportional to 38,013.30, 57,029.13 and 11,718.54 is: 17,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.30 : 57,029.13 = 11,718.54 : x
  2. Step 2: Convert to fraction form
    38,013.30/57,029.13 = 11,718.54/x
  3. Step 3: Cross multiply
    38,013.30x = 57,029.13 × 11,718.54
  4. Step 4: Simplify right side
    38,013.30x = 668,298,141.07
  5. Step 5: Solve for x
    x = 668,298,141.07/38,013.30
  6. Step 6: Final answer
    x = 17,580.64

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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.