Home / 25,109.52-34,653.28-13,781.20

Finding the Fourth Proportional to 25,109.52, 34,653.28 and 13,781.20

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Solution

The fourth proportional to 25,109.52, 34,653.28 and 13,781.20 is: 19,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.52 : 34,653.28 = 13,781.20 : x
  2. Step 2: Convert to fraction form
    25,109.52/34,653.28 = 13,781.20/x
  3. Step 3: Cross multiply
    25,109.52x = 34,653.28 × 13,781.20
  4. Step 4: Simplify right side
    25,109.52x = 477,563,782.34
  5. Step 5: Solve for x
    x = 477,563,782.34/25,109.52
  6. Step 6: Final answer
    x = 19,019.24

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