Home / 25,235.54-34,822.43-15,543.45

Finding the Fourth Proportional to 25,235.54, 34,822.43 and 15,543.45

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Solution

The fourth proportional to 25,235.54, 34,822.43 and 15,543.45 is: 21,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.54 : 34,822.43 = 15,543.45 : x
  2. Step 2: Convert to fraction form
    25,235.54/34,822.43 = 15,543.45/x
  3. Step 3: Cross multiply
    25,235.54x = 34,822.43 × 15,543.45
  4. Step 4: Simplify right side
    25,235.54x = 541,260,621.87
  5. Step 5: Solve for x
    x = 541,260,621.87/25,235.54
  6. Step 6: Final answer
    x = 21,448.35

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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.