Home / 34,395.40-51,584.44-13,328.21

Finding the Fourth Proportional to 34,395.40, 51,584.44 and 13,328.21

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Solution

The fourth proportional to 34,395.40, 51,584.44 and 13,328.21 is: 19,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,395.40 : 51,584.44 = 13,328.21 : x
  2. Step 2: Convert to fraction form
    34,395.40/51,584.44 = 13,328.21/x
  3. Step 3: Cross multiply
    34,395.40x = 51,584.44 × 13,328.21
  4. Step 4: Simplify right side
    34,395.40x = 687,528,249.05
  5. Step 5: Solve for x
    x = 687,528,249.05/34,395.40
  6. Step 6: Final answer
    x = 19,988.96

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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.