Home / 25,143.67-37,748.47-16,860.75

Finding the Fourth Proportional to 25,143.67, 37,748.47 and 16,860.75

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Solution

The fourth proportional to 25,143.67, 37,748.47 and 16,860.75 is: 25,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.67 : 37,748.47 = 16,860.75 : x
  2. Step 2: Convert to fraction form
    25,143.67/37,748.47 = 16,860.75/x
  3. Step 3: Cross multiply
    25,143.67x = 37,748.47 × 16,860.75
  4. Step 4: Simplify right side
    25,143.67x = 636,467,431.25
  5. Step 5: Solve for x
    x = 636,467,431.25/25,143.67
  6. Step 6: Final answer
    x = 25,313.23

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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.