Home / 25,871.37-35,705.45-14,387.43

Finding the Fourth Proportional to 25,871.37, 35,705.45 and 14,387.43

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Solution

The fourth proportional to 25,871.37, 35,705.45 and 14,387.43 is: 19,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.37 : 35,705.45 = 14,387.43 : x
  2. Step 2: Convert to fraction form
    25,871.37/35,705.45 = 14,387.43/x
  3. Step 3: Cross multiply
    25,871.37x = 35,705.45 × 14,387.43
  4. Step 4: Simplify right side
    25,871.37x = 513,709,662.49
  5. Step 5: Solve for x
    x = 513,709,662.49/25,871.37
  6. Step 6: Final answer
    x = 19,856.30

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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.