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Finding the Fourth Proportional to 14,665.94, 20,237.50 and 9,000.93

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Solution

The fourth proportional to 14,665.94, 20,237.50 and 9,000.93 is: 12,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.94 : 20,237.50 = 9,000.93 : x
  2. Step 2: Convert to fraction form
    14,665.94/20,237.50 = 9,000.93/x
  3. Step 3: Cross multiply
    14,665.94x = 20,237.50 × 9,000.93
  4. Step 4: Simplify right side
    14,665.94x = 182,156,376.41
  5. Step 5: Solve for x
    x = 182,156,376.41/14,665.94
  6. Step 6: Final answer
    x = 12,420.36

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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.