Home / 38,302.27-57,453.42-12,009.06

Finding the Fourth Proportional to 38,302.27, 57,453.42 and 12,009.06

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Solution

The fourth proportional to 38,302.27, 57,453.42 and 12,009.06 is: 18,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.27 : 57,453.42 = 12,009.06 : x
  2. Step 2: Convert to fraction form
    38,302.27/57,453.42 = 12,009.06/x
  3. Step 3: Cross multiply
    38,302.27x = 57,453.42 × 12,009.06
  4. Step 4: Simplify right side
    38,302.27x = 689,961,828.47
  5. Step 5: Solve for x
    x = 689,961,828.47/38,302.27
  6. Step 6: Final answer
    x = 18,013.60

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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.