Home / 25,249.50-34,848.36-19,859.76

Finding the Fourth Proportional to 25,249.50, 34,848.36 and 19,859.76

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Solution

The fourth proportional to 25,249.50, 34,848.36 and 19,859.76 is: 27,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.50 : 34,848.36 = 19,859.76 : x
  2. Step 2: Convert to fraction form
    25,249.50/34,848.36 = 19,859.76/x
  3. Step 3: Cross multiply
    25,249.50x = 34,848.36 × 19,859.76
  4. Step 4: Simplify right side
    25,249.50x = 692,080,065.99
  5. Step 5: Solve for x
    x = 692,080,065.99/25,249.50
  6. Step 6: Final answer
    x = 27,409.65

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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.