Home / 38,483.85-57,725.38-12,188.59

Finding the Fourth Proportional to 38,483.85, 57,725.38 and 12,188.59

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Solution

The fourth proportional to 38,483.85, 57,725.38 and 12,188.59 is: 18,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.85 : 57,725.38 = 12,188.59 : x
  2. Step 2: Convert to fraction form
    38,483.85/57,725.38 = 12,188.59/x
  3. Step 3: Cross multiply
    38,483.85x = 57,725.38 × 12,188.59
  4. Step 4: Simplify right side
    38,483.85x = 703,590,814.63
  5. Step 5: Solve for x
    x = 703,590,814.63/38,483.85
  6. Step 6: Final answer
    x = 18,282.76

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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.