Home / 14,845.87-20,487.63-8,472.33

Finding the Fourth Proportional to 14,845.87, 20,487.63 and 8,472.33

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Solution

The fourth proportional to 14,845.87, 20,487.63 and 8,472.33 is: 11,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.87 : 20,487.63 = 8,472.33 : x
  2. Step 2: Convert to fraction form
    14,845.87/20,487.63 = 8,472.33/x
  3. Step 3: Cross multiply
    14,845.87x = 20,487.63 × 8,472.33
  4. Step 4: Simplify right side
    14,845.87x = 173,577,962.28
  5. Step 5: Solve for x
    x = 173,577,962.28/14,845.87
  6. Step 6: Final answer
    x = 11,692.00

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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.