Home / 25,211.48-37,828-10,431.12

Finding the Fourth Proportional to 25,211.48, 37,828 and 10,431.12

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Solution

The fourth proportional to 25,211.48, 37,828 and 10,431.12 is: 15,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.48 : 37,828 = 10,431.12 : x
  2. Step 2: Convert to fraction form
    25,211.48/37,828 = 10,431.12/x
  3. Step 3: Cross multiply
    25,211.48x = 37,828 × 10,431.12
  4. Step 4: Simplify right side
    25,211.48x = 394,588,407.36
  5. Step 5: Solve for x
    x = 394,588,407.36/25,211.48
  6. Step 6: Final answer
    x = 15,651.14

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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.