Home / 20,461.46-30,692.88-5,670.54

Finding the Fourth Proportional to 20,461.46, 30,692.88 and 5,670.54

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Solution

The fourth proportional to 20,461.46, 30,692.88 and 5,670.54 is: 8,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.46 : 30,692.88 = 5,670.54 : x
  2. Step 2: Convert to fraction form
    20,461.46/30,692.88 = 5,670.54/x
  3. Step 3: Cross multiply
    20,461.46x = 30,692.88 × 5,670.54
  4. Step 4: Simplify right side
    20,461.46x = 174,045,203.76
  5. Step 5: Solve for x
    x = 174,045,203.76/20,461.46
  6. Step 6: Final answer
    x = 8,506.00

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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.