Home / 14,553.60-21,814.20-7,530.90

Finding the Fourth Proportional to 14,553.60, 21,814.20 and 7,530.90

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Solution

The fourth proportional to 14,553.60, 21,814.20 and 7,530.90 is: 11,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.60 : 21,814.20 = 7,530.90 : x
  2. Step 2: Convert to fraction form
    14,553.60/21,814.20 = 7,530.90/x
  3. Step 3: Cross multiply
    14,553.60x = 21,814.20 × 7,530.90
  4. Step 4: Simplify right side
    14,553.60x = 164,280,558.78
  5. Step 5: Solve for x
    x = 164,280,558.78/14,553.60
  6. Step 6: Final answer
    x = 11,287.97

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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.