Home / 25,407.88-38,105.66-12,074.94

Finding the Fourth Proportional to 25,407.88, 38,105.66 and 12,074.94

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Solution

The fourth proportional to 25,407.88, 38,105.66 and 12,074.94 is: 18,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.88 : 38,105.66 = 12,074.94 : x
  2. Step 2: Convert to fraction form
    25,407.88/38,105.66 = 12,074.94/x
  3. Step 3: Cross multiply
    25,407.88x = 38,105.66 × 12,074.94
  4. Step 4: Simplify right side
    25,407.88x = 460,123,588.35
  5. Step 5: Solve for x
    x = 460,123,588.35/25,407.88
  6. Step 6: Final answer
    x = 18,109.49

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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.