Home / 19,553.96-27,006.73-13,255.40

Finding the Fourth Proportional to 19,553.96, 27,006.73 and 13,255.40

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Solution

The fourth proportional to 19,553.96, 27,006.73 and 13,255.40 is: 18,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.96 : 27,006.73 = 13,255.40 : x
  2. Step 2: Convert to fraction form
    19,553.96/27,006.73 = 13,255.40/x
  3. Step 3: Cross multiply
    19,553.96x = 27,006.73 × 13,255.40
  4. Step 4: Simplify right side
    19,553.96x = 357,984,890.38
  5. Step 5: Solve for x
    x = 357,984,890.38/19,553.96
  6. Step 6: Final answer
    x = 18,307.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.