Home / 25,456.16-35,128.28-14,125.52

Finding the Fourth Proportional to 25,456.16, 35,128.28 and 14,125.52

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Solution

The fourth proportional to 25,456.16, 35,128.28 and 14,125.52 is: 19,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.16 : 35,128.28 = 14,125.52 : x
  2. Step 2: Convert to fraction form
    25,456.16/35,128.28 = 14,125.52/x
  3. Step 3: Cross multiply
    25,456.16x = 35,128.28 × 14,125.52
  4. Step 4: Simplify right side
    25,456.16x = 496,204,975.44
  5. Step 5: Solve for x
    x = 496,204,975.44/25,456.16
  6. Step 6: Final answer
    x = 19,492.53

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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.