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Finding the Fourth Proportional to 14,692.56, 20,277.72 and 9,030.84

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Solution

The fourth proportional to 14,692.56, 20,277.72 and 9,030.84 is: 12,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.56 : 20,277.72 = 9,030.84 : x
  2. Step 2: Convert to fraction form
    14,692.56/20,277.72 = 9,030.84/x
  3. Step 3: Cross multiply
    14,692.56x = 20,277.72 × 9,030.84
  4. Step 4: Simplify right side
    14,692.56x = 183,124,844.88
  5. Step 5: Solve for x
    x = 183,124,844.88/14,692.56
  6. Step 6: Final answer
    x = 12,463.78

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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.