Home / 30,212.06-41,692.08-16,783.18

Finding the Fourth Proportional to 30,212.06, 41,692.08 and 16,783.18

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Solution

The fourth proportional to 30,212.06, 41,692.08 and 16,783.18 is: 23,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.06 : 41,692.08 = 16,783.18 : x
  2. Step 2: Convert to fraction form
    30,212.06/41,692.08 = 16,783.18/x
  3. Step 3: Cross multiply
    30,212.06x = 41,692.08 × 16,783.18
  4. Step 4: Simplify right side
    30,212.06x = 699,725,683.21
  5. Step 5: Solve for x
    x = 699,725,683.21/30,212.06
  6. Step 6: Final answer
    x = 23,160.48

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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.