Home / 13,434.44-20,153.16-3,574.10

Finding the Fourth Proportional to 13,434.44, 20,153.16 and 3,574.10

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Solution

The fourth proportional to 13,434.44, 20,153.16 and 3,574.10 is: 5,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.44 : 20,153.16 = 3,574.10 : x
  2. Step 2: Convert to fraction form
    13,434.44/20,153.16 = 3,574.10/x
  3. Step 3: Cross multiply
    13,434.44x = 20,153.16 × 3,574.10
  4. Step 4: Simplify right side
    13,434.44x = 72,029,409.16
  5. Step 5: Solve for x
    x = 72,029,409.16/13,434.44
  6. Step 6: Final answer
    x = 5,361.55

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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.