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Finding the Fourth Proportional to 14,166.80, 21,225.90 and 9,233.90

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Solution

The fourth proportional to 14,166.80, 21,225.90 and 9,233.90 is: 13,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.80 : 21,225.90 = 9,233.90 : x
  2. Step 2: Convert to fraction form
    14,166.80/21,225.90 = 9,233.90/x
  3. Step 3: Cross multiply
    14,166.80x = 21,225.90 × 9,233.90
  4. Step 4: Simplify right side
    14,166.80x = 195,997,838.01
  5. Step 5: Solve for x
    x = 195,997,838.01/14,166.80
  6. Step 6: Final answer
    x = 13,835.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.