Home / 25,446.91-38,157.33-13,445.51

Finding the Fourth Proportional to 25,446.91, 38,157.33 and 13,445.51

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Solution

The fourth proportional to 25,446.91, 38,157.33 and 13,445.51 is: 20,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.91 : 38,157.33 = 13,445.51 : x
  2. Step 2: Convert to fraction form
    25,446.91/38,157.33 = 13,445.51/x
  3. Step 3: Cross multiply
    25,446.91x = 38,157.33 × 13,445.51
  4. Step 4: Simplify right side
    25,446.91x = 513,044,760.73
  5. Step 5: Solve for x
    x = 513,044,760.73/25,446.91
  6. Step 6: Final answer
    x = 20,161.37

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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.