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Finding the Fourth Proportional to 14,848.77, 20,493.77 and 8,476.50

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Solution

The fourth proportional to 14,848.77, 20,493.77 and 8,476.50 is: 11,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.77 : 20,493.77 = 8,476.50 : x
  2. Step 2: Convert to fraction form
    14,848.77/20,493.77 = 8,476.50/x
  3. Step 3: Cross multiply
    14,848.77x = 20,493.77 × 8,476.50
  4. Step 4: Simplify right side
    14,848.77x = 173,715,399.02
  5. Step 5: Solve for x
    x = 173,715,399.02/14,848.77
  6. Step 6: Final answer
    x = 11,698.98

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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.