Home / 14,103.56-21,149.87-7,526.16

Finding the Fourth Proportional to 14,103.56, 21,149.87 and 7,526.16

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Solution

The fourth proportional to 14,103.56, 21,149.87 and 7,526.16 is: 11,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.56 : 21,149.87 = 7,526.16 : x
  2. Step 2: Convert to fraction form
    14,103.56/21,149.87 = 7,526.16/x
  3. Step 3: Cross multiply
    14,103.56x = 21,149.87 × 7,526.16
  4. Step 4: Simplify right side
    14,103.56x = 159,177,305.60
  5. Step 5: Solve for x
    x = 159,177,305.60/14,103.56
  6. Step 6: Final answer
    x = 11,286.32

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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.