Home / 30,305.93-41,826.00-18,367.75

Finding the Fourth Proportional to 30,305.93, 41,826.00 and 18,367.75

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Solution

The fourth proportional to 30,305.93, 41,826.00 and 18,367.75 is: 25,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.93 : 41,826.00 = 18,367.75 : x
  2. Step 2: Convert to fraction form
    30,305.93/41,826.00 = 18,367.75/x
  3. Step 3: Cross multiply
    30,305.93x = 41,826.00 × 18,367.75
  4. Step 4: Simplify right side
    30,305.93x = 768,249,294.07
  5. Step 5: Solve for x
    x = 768,249,294.07/30,305.93
  6. Step 6: Final answer
    x = 25,349.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.