Home / 25,455.91-35,130.81-14,125.44

Finding the Fourth Proportional to 25,455.91, 35,130.81 and 14,125.44

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Solution

The fourth proportional to 25,455.91, 35,130.81 and 14,125.44 is: 19,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.91 : 35,130.81 = 14,125.44 : x
  2. Step 2: Convert to fraction form
    25,455.91/35,130.81 = 14,125.44/x
  3. Step 3: Cross multiply
    25,455.91x = 35,130.81 × 14,125.44
  4. Step 4: Simplify right side
    25,455.91x = 496,237,917.92
  5. Step 5: Solve for x
    x = 496,237,917.92/25,455.91
  6. Step 6: Final answer
    x = 19,494.02

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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.