Home / 25,204.52-34,782.36-13,875.15

Finding the Fourth Proportional to 25,204.52, 34,782.36 and 13,875.15

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Solution

The fourth proportional to 25,204.52, 34,782.36 and 13,875.15 is: 19,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,204.52 : 34,782.36 = 13,875.15 : x
  2. Step 2: Convert to fraction form
    25,204.52/34,782.36 = 13,875.15/x
  3. Step 3: Cross multiply
    25,204.52x = 34,782.36 × 13,875.15
  4. Step 4: Simplify right side
    25,204.52x = 482,610,462.35
  5. Step 5: Solve for x
    x = 482,610,462.35/25,204.52
  6. Step 6: Final answer
    x = 19,147.77

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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.