Home / 19,813.73-29,717.40-7,330.89

Finding the Fourth Proportional to 19,813.73, 29,717.40 and 7,330.89

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Solution

The fourth proportional to 19,813.73, 29,717.40 and 7,330.89 is: 10,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.73 : 29,717.40 = 7,330.89 : x
  2. Step 2: Convert to fraction form
    19,813.73/29,717.40 = 7,330.89/x
  3. Step 3: Cross multiply
    19,813.73x = 29,717.40 × 7,330.89
  4. Step 4: Simplify right side
    19,813.73x = 217,854,990.49
  5. Step 5: Solve for x
    x = 217,854,990.49/19,813.73
  6. Step 6: Final answer
    x = 10,995.15

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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.