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Finding the Fourth Proportional to 14,498.58, 20,000.79 and 9,184.98

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Solution

The fourth proportional to 14,498.58, 20,000.79 and 9,184.98 is: 12,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.58 : 20,000.79 = 9,184.98 : x
  2. Step 2: Convert to fraction form
    14,498.58/20,000.79 = 9,184.98/x
  3. Step 3: Cross multiply
    14,498.58x = 20,000.79 × 9,184.98
  4. Step 4: Simplify right side
    14,498.58x = 183,706,856.13
  5. Step 5: Solve for x
    x = 183,706,856.13/14,498.58
  6. Step 6: Final answer
    x = 12,670.68

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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.