Home / 19,120.03-26,381.64-11,564.89

Finding the Fourth Proportional to 19,120.03, 26,381.64 and 11,564.89

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Solution

The fourth proportional to 19,120.03, 26,381.64 and 11,564.89 is: 15,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.03 : 26,381.64 = 11,564.89 : x
  2. Step 2: Convert to fraction form
    19,120.03/26,381.64 = 11,564.89/x
  3. Step 3: Cross multiply
    19,120.03x = 26,381.64 × 11,564.89
  4. Step 4: Simplify right side
    19,120.03x = 305,100,764.62
  5. Step 5: Solve for x
    x = 305,100,764.62/19,120.03
  6. Step 6: Final answer
    x = 15,957.13

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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.