Home / 25,145.73-37,718.58-6,425.80

Finding the Fourth Proportional to 25,145.73, 37,718.58 and 6,425.80

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Solution

The fourth proportional to 25,145.73, 37,718.58 and 6,425.80 is: 9,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.73 : 37,718.58 = 6,425.80 : x
  2. Step 2: Convert to fraction form
    25,145.73/37,718.58 = 6,425.80/x
  3. Step 3: Cross multiply
    25,145.73x = 37,718.58 × 6,425.80
  4. Step 4: Simplify right side
    25,145.73x = 242,372,051.36
  5. Step 5: Solve for x
    x = 242,372,051.36/25,145.73
  6. Step 6: Final answer
    x = 9,638.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.