Home / 38,154.45-57,235.32-11,852.13

Finding the Fourth Proportional to 38,154.45, 57,235.32 and 11,852.13

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Solution

The fourth proportional to 38,154.45, 57,235.32 and 11,852.13 is: 17,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.45 : 57,235.32 = 11,852.13 : x
  2. Step 2: Convert to fraction form
    38,154.45/57,235.32 = 11,852.13/x
  3. Step 3: Cross multiply
    38,154.45x = 57,235.32 × 11,852.13
  4. Step 4: Simplify right side
    38,154.45x = 678,360,453.23
  5. Step 5: Solve for x
    x = 678,360,453.23/38,154.45
  6. Step 6: Final answer
    x = 17,779.33

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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.