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Finding the Fourth Proportional to 14,692.95, 20,276.06 and 8,404.11

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Solution

The fourth proportional to 14,692.95, 20,276.06 and 8,404.11 is: 11,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.95 : 20,276.06 = 8,404.11 : x
  2. Step 2: Convert to fraction form
    14,692.95/20,276.06 = 8,404.11/x
  3. Step 3: Cross multiply
    14,692.95x = 20,276.06 × 8,404.11
  4. Step 4: Simplify right side
    14,692.95x = 170,402,196.59
  5. Step 5: Solve for x
    x = 170,402,196.59/14,692.95
  6. Step 6: Final answer
    x = 11,597.55

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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.