Home / 25,148.73-37,723.08-6,428.80

Finding the Fourth Proportional to 25,148.73, 37,723.08 and 6,428.80

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Solution

The fourth proportional to 25,148.73, 37,723.08 and 6,428.80 is: 9,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.73 : 37,723.08 = 6,428.80 : x
  2. Step 2: Convert to fraction form
    25,148.73/37,723.08 = 6,428.80/x
  3. Step 3: Cross multiply
    25,148.73x = 37,723.08 × 6,428.80
  4. Step 4: Simplify right side
    25,148.73x = 242,514,136.70
  5. Step 5: Solve for x
    x = 242,514,136.70/25,148.73
  6. Step 6: Final answer
    x = 9,643.20

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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.