Home / 13,795.84-20,694.57-4,306.87

Finding the Fourth Proportional to 13,795.84, 20,694.57 and 4,306.87

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Solution

The fourth proportional to 13,795.84, 20,694.57 and 4,306.87 is: 6,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.84 : 20,694.57 = 4,306.87 : x
  2. Step 2: Convert to fraction form
    13,795.84/20,694.57 = 4,306.87/x
  3. Step 3: Cross multiply
    13,795.84x = 20,694.57 × 4,306.87
  4. Step 4: Simplify right side
    13,795.84x = 89,128,822.70
  5. Step 5: Solve for x
    x = 89,128,822.70/13,795.84
  6. Step 6: Final answer
    x = 6,460.56

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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.