Home / 25,457.54-38,114.91-19,197.86

Finding the Fourth Proportional to 25,457.54, 38,114.91 and 19,197.86

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Solution

The fourth proportional to 25,457.54, 38,114.91 and 19,197.86 is: 28,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.54 : 38,114.91 = 19,197.86 : x
  2. Step 2: Convert to fraction form
    25,457.54/38,114.91 = 19,197.86/x
  3. Step 3: Cross multiply
    25,457.54x = 38,114.91 × 19,197.86
  4. Step 4: Simplify right side
    25,457.54x = 731,724,515.52
  5. Step 5: Solve for x
    x = 731,724,515.52/25,457.54
  6. Step 6: Final answer
    x = 28,742.94

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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.