Home / 19,813.89-29,722.16-7,333.62

Finding the Fourth Proportional to 19,813.89, 29,722.16 and 7,333.62

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Solution

The fourth proportional to 19,813.89, 29,722.16 and 7,333.62 is: 11,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.89 : 29,722.16 = 7,333.62 : x
  2. Step 2: Convert to fraction form
    19,813.89/29,722.16 = 7,333.62/x
  3. Step 3: Cross multiply
    19,813.89x = 29,722.16 × 7,333.62
  4. Step 4: Simplify right side
    19,813.89x = 217,971,027.02
  5. Step 5: Solve for x
    x = 217,971,027.02/19,813.89
  6. Step 6: Final answer
    x = 11,000.92

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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.