Home / 25,127.76-34,676.32-13,949.76

Finding the Fourth Proportional to 25,127.76, 34,676.32 and 13,949.76

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Solution

The fourth proportional to 25,127.76, 34,676.32 and 13,949.76 is: 19,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.76 : 34,676.32 = 13,949.76 : x
  2. Step 2: Convert to fraction form
    25,127.76/34,676.32 = 13,949.76/x
  3. Step 3: Cross multiply
    25,127.76x = 34,676.32 × 13,949.76
  4. Step 4: Simplify right side
    25,127.76x = 483,726,341.68
  5. Step 5: Solve for x
    x = 483,726,341.68/25,127.76
  6. Step 6: Final answer
    x = 19,250.68

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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.