Home / 33,890.86-46,765.64-18,783.10

Finding the Fourth Proportional to 33,890.86, 46,765.64 and 18,783.10

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Solution

The fourth proportional to 33,890.86, 46,765.64 and 18,783.10 is: 25,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890.86 : 46,765.64 = 18,783.10 : x
  2. Step 2: Convert to fraction form
    33,890.86/46,765.64 = 18,783.10/x
  3. Step 3: Cross multiply
    33,890.86x = 46,765.64 × 18,783.10
  4. Step 4: Simplify right side
    33,890.86x = 878,403,692.68
  5. Step 5: Solve for x
    x = 878,403,692.68/33,890.86
  6. Step 6: Final answer
    x = 25,918.60

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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.