Home / 19,415.57-29,116.16-6,932.25

Finding the Fourth Proportional to 19,415.57, 29,116.16 and 6,932.25

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Solution

The fourth proportional to 19,415.57, 29,116.16 and 6,932.25 is: 10,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.57 : 29,116.16 = 6,932.25 : x
  2. Step 2: Convert to fraction form
    19,415.57/29,116.16 = 6,932.25/x
  3. Step 3: Cross multiply
    19,415.57x = 29,116.16 × 6,932.25
  4. Step 4: Simplify right side
    19,415.57x = 201,840,491.49
  5. Step 5: Solve for x
    x = 201,840,491.49/19,415.57
  6. Step 6: Final answer
    x = 10,395.81

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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.