Home / 39,109.56-58,672.84-12,813.32

Finding the Fourth Proportional to 39,109.56, 58,672.84 and 12,813.32

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Solution

The fourth proportional to 39,109.56, 58,672.84 and 12,813.32 is: 19,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,109.56 : 58,672.84 = 12,813.32 : x
  2. Step 2: Convert to fraction form
    39,109.56/58,672.84 = 12,813.32/x
  3. Step 3: Cross multiply
    39,109.56x = 58,672.84 × 12,813.32
  4. Step 4: Simplify right side
    39,109.56x = 751,793,874.23
  5. Step 5: Solve for x
    x = 751,793,874.23/39,109.56
  6. Step 6: Final answer
    x = 19,222.76

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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.