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Finding the Fourth Proportional to 14,830.40, 22,267.20 and 8,998.40

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Solution

The fourth proportional to 14,830.40, 22,267.20 and 8,998.40 is: 13,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.40 : 22,267.20 = 8,998.40 : x
  2. Step 2: Convert to fraction form
    14,830.40/22,267.20 = 8,998.40/x
  3. Step 3: Cross multiply
    14,830.40x = 22,267.20 × 8,998.40
  4. Step 4: Simplify right side
    14,830.40x = 200,369,172.48
  5. Step 5: Solve for x
    x = 200,369,172.48/14,830.40
  6. Step 6: Final answer
    x = 13,510.71

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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.