Home / 13,409.66-20,114.49-4,644.56

Finding the Fourth Proportional to 13,409.66, 20,114.49 and 4,644.56

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Solution

The fourth proportional to 13,409.66, 20,114.49 and 4,644.56 is: 6,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.66 : 20,114.49 = 4,644.56 : x
  2. Step 2: Convert to fraction form
    13,409.66/20,114.49 = 4,644.56/x
  3. Step 3: Cross multiply
    13,409.66x = 20,114.49 × 4,644.56
  4. Step 4: Simplify right side
    13,409.66x = 93,423,005.96
  5. Step 5: Solve for x
    x = 93,423,005.96/13,409.66
  6. Step 6: Final answer
    x = 6,966.85

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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.