Home / 25,457.55-38,170.97-11,415.04

Finding the Fourth Proportional to 25,457.55, 38,170.97 and 11,415.04

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Solution

The fourth proportional to 25,457.55, 38,170.97 and 11,415.04 is: 17,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.55 : 38,170.97 = 11,415.04 : x
  2. Step 2: Convert to fraction form
    25,457.55/38,170.97 = 11,415.04/x
  3. Step 3: Cross multiply
    25,457.55x = 38,170.97 × 11,415.04
  4. Step 4: Simplify right side
    25,457.55x = 435,722,958.53
  5. Step 5: Solve for x
    x = 435,722,958.53/25,457.55
  6. Step 6: Final answer
    x = 17,115.67

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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.