Home / 25,143.60-37,715.40-16,849.20

Finding the Fourth Proportional to 25,143.60, 37,715.40 and 16,849.20

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Solution

The fourth proportional to 25,143.60, 37,715.40 and 16,849.20 is: 25,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.60 : 37,715.40 = 16,849.20 : x
  2. Step 2: Convert to fraction form
    25,143.60/37,715.40 = 16,849.20/x
  3. Step 3: Cross multiply
    25,143.60x = 37,715.40 × 16,849.20
  4. Step 4: Simplify right side
    25,143.60x = 635,474,317.68
  5. Step 5: Solve for x
    x = 635,474,317.68/25,143.60
  6. Step 6: Final answer
    x = 25,273.80

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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.