Home / 25,440.99-38,137.18-11,393.16

Finding the Fourth Proportional to 25,440.99, 38,137.18 and 11,393.16

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Solution

The fourth proportional to 25,440.99, 38,137.18 and 11,393.16 is: 17,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.99 : 38,137.18 = 11,393.16 : x
  2. Step 2: Convert to fraction form
    25,440.99/38,137.18 = 11,393.16/x
  3. Step 3: Cross multiply
    25,440.99x = 38,137.18 × 11,393.16
  4. Step 4: Simplify right side
    25,440.99x = 434,502,993.69
  5. Step 5: Solve for x
    x = 434,502,993.69/25,440.99
  6. Step 6: Final answer
    x = 17,078.86

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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.