Home / 25,676.78-35,430.41-14,344.85

Finding the Fourth Proportional to 25,676.78, 35,430.41 and 14,344.85

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Solution

The fourth proportional to 25,676.78, 35,430.41 and 14,344.85 is: 19,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.78 : 35,430.41 = 14,344.85 : x
  2. Step 2: Convert to fraction form
    25,676.78/35,430.41 = 14,344.85/x
  3. Step 3: Cross multiply
    25,676.78x = 35,430.41 × 14,344.85
  4. Step 4: Simplify right side
    25,676.78x = 508,243,668.01
  5. Step 5: Solve for x
    x = 508,243,668.01/25,676.78
  6. Step 6: Final answer
    x = 19,793.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.