Home / 25,451.68-35,130-14,277.28

Finding the Fourth Proportional to 25,451.68, 35,130 and 14,277.28

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Solution

The fourth proportional to 25,451.68, 35,130 and 14,277.28 is: 19,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.68 : 35,130 = 14,277.28 : x
  2. Step 2: Convert to fraction form
    25,451.68/35,130 = 14,277.28/x
  3. Step 3: Cross multiply
    25,451.68x = 35,130 × 14,277.28
  4. Step 4: Simplify right side
    25,451.68x = 501,560,846.40
  5. Step 5: Solve for x
    x = 501,560,846.40/25,451.68
  6. Step 6: Final answer
    x = 19,706.39

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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.