Home / 38,235.18-57,362.52-11,940.18

Finding the Fourth Proportional to 38,235.18, 57,362.52 and 11,940.18

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Solution

The fourth proportional to 38,235.18, 57,362.52 and 11,940.18 is: 17,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.18 : 57,362.52 = 11,940.18 : x
  2. Step 2: Convert to fraction form
    38,235.18/57,362.52 = 11,940.18/x
  3. Step 3: Cross multiply
    38,235.18x = 57,362.52 × 11,940.18
  4. Step 4: Simplify right side
    38,235.18x = 684,918,814.05
  5. Step 5: Solve for x
    x = 684,918,814.05/38,235.18
  6. Step 6: Final answer
    x = 17,913.31

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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.