Home / 13,036.55-19,522.42-11,930.49

Finding the Fourth Proportional to 13,036.55, 19,522.42 and 11,930.49

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Solution

The fourth proportional to 13,036.55, 19,522.42 and 11,930.49 is: 17,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.55 : 19,522.42 = 11,930.49 : x
  2. Step 2: Convert to fraction form
    13,036.55/19,522.42 = 11,930.49/x
  3. Step 3: Cross multiply
    13,036.55x = 19,522.42 × 11,930.49
  4. Step 4: Simplify right side
    13,036.55x = 232,912,006.76
  5. Step 5: Solve for x
    x = 232,912,006.76/13,036.55
  6. Step 6: Final answer
    x = 17,866.08

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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.