Home / 14,160.26-19,538.24-8,189.76

Finding the Fourth Proportional to 14,160.26, 19,538.24 and 8,189.76

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Solution

The fourth proportional to 14,160.26, 19,538.24 and 8,189.76 is: 11,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.26 : 19,538.24 = 8,189.76 : x
  2. Step 2: Convert to fraction form
    14,160.26/19,538.24 = 8,189.76/x
  3. Step 3: Cross multiply
    14,160.26x = 19,538.24 × 8,189.76
  4. Step 4: Simplify right side
    14,160.26x = 160,013,496.42
  5. Step 5: Solve for x
    x = 160,013,496.42/14,160.26
  6. Step 6: Final answer
    x = 11,300.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.