Home / 38,111.33-57,172.53-11,818.19

Finding the Fourth Proportional to 38,111.33, 57,172.53 and 11,818.19

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Solution

The fourth proportional to 38,111.33, 57,172.53 and 11,818.19 is: 17,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.33 : 57,172.53 = 11,818.19 : x
  2. Step 2: Convert to fraction form
    38,111.33/57,172.53 = 11,818.19/x
  3. Step 3: Cross multiply
    38,111.33x = 57,172.53 × 11,818.19
  4. Step 4: Simplify right side
    38,111.33x = 675,676,009.57
  5. Step 5: Solve for x
    x = 675,676,009.57/38,111.33
  6. Step 6: Final answer
    x = 17,729.01

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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.