Home / 38,519.40-57,776.46-10,817.40

Finding the Fourth Proportional to 38,519.40, 57,776.46 and 10,817.40

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Solution

The fourth proportional to 38,519.40, 57,776.46 and 10,817.40 is: 16,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,519.40 : 57,776.46 = 10,817.40 : x
  2. Step 2: Convert to fraction form
    38,519.40/57,776.46 = 10,817.40/x
  3. Step 3: Cross multiply
    38,519.40x = 57,776.46 × 10,817.40
  4. Step 4: Simplify right side
    38,519.40x = 624,991,078.40
  5. Step 5: Solve for x
    x = 624,991,078.40/38,519.40
  6. Step 6: Final answer
    x = 16,225.36

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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.