Home / 25,455.84-35,129.25-14,125.38

Finding the Fourth Proportional to 25,455.84, 35,129.25 and 14,125.38

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Solution

The fourth proportional to 25,455.84, 35,129.25 and 14,125.38 is: 19,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.84 : 35,129.25 = 14,125.38 : x
  2. Step 2: Convert to fraction form
    25,455.84/35,129.25 = 14,125.38/x
  3. Step 3: Cross multiply
    25,455.84x = 35,129.25 × 14,125.38
  4. Step 4: Simplify right side
    25,455.84x = 496,214,005.37
  5. Step 5: Solve for x
    x = 496,214,005.37/25,455.84
  6. Step 6: Final answer
    x = 19,493.13

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1.5x scale

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.