Home / 19,813.88-29,553.82-18,436.04

Finding the Fourth Proportional to 19,813.88, 29,553.82 and 18,436.04

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Solution

The fourth proportional to 19,813.88, 29,553.82 and 18,436.04 is: 27,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.88 : 29,553.82 = 18,436.04 : x
  2. Step 2: Convert to fraction form
    19,813.88/29,553.82 = 18,436.04/x
  3. Step 3: Cross multiply
    19,813.88x = 29,553.82 × 18,436.04
  4. Step 4: Simplify right side
    19,813.88x = 544,855,407.67
  5. Step 5: Solve for x
    x = 544,855,407.67/19,813.88
  6. Step 6: Final answer
    x = 27,498.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.