Home / 25,653.90-38,494.16-19,412.04

Finding the Fourth Proportional to 25,653.90, 38,494.16 and 19,412.04

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Solution

The fourth proportional to 25,653.90, 38,494.16 and 19,412.04 is: 29,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.90 : 38,494.16 = 19,412.04 : x
  2. Step 2: Convert to fraction form
    25,653.90/38,494.16 = 19,412.04/x
  3. Step 3: Cross multiply
    25,653.90x = 38,494.16 × 19,412.04
  4. Step 4: Simplify right side
    25,653.90x = 747,250,076.63
  5. Step 5: Solve for x
    x = 747,250,076.63/25,653.90
  6. Step 6: Final answer
    x = 29,128.13

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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.