Home / 14,103.36-21,158.28-7,176.24

Finding the Fourth Proportional to 14,103.36, 21,158.28 and 7,176.24

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Solution

The fourth proportional to 14,103.36, 21,158.28 and 7,176.24 is: 10,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.36 : 21,158.28 = 7,176.24 : x
  2. Step 2: Convert to fraction form
    14,103.36/21,158.28 = 7,176.24/x
  3. Step 3: Cross multiply
    14,103.36x = 21,158.28 × 7,176.24
  4. Step 4: Simplify right side
    14,103.36x = 151,836,895.27
  5. Step 5: Solve for x
    x = 151,836,895.27/14,103.36
  6. Step 6: Final answer
    x = 10,766.01

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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.