Home / 14,325.52-19,776.64-11,131.68

Finding the Fourth Proportional to 14,325.52, 19,776.64 and 11,131.68

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Solution

The fourth proportional to 14,325.52, 19,776.64 and 11,131.68 is: 15,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.52 : 19,776.64 = 11,131.68 : x
  2. Step 2: Convert to fraction form
    14,325.52/19,776.64 = 11,131.68/x
  3. Step 3: Cross multiply
    14,325.52x = 19,776.64 × 11,131.68
  4. Step 4: Simplify right side
    14,325.52x = 220,147,227.96
  5. Step 5: Solve for x
    x = 220,147,227.96/14,325.52
  6. Step 6: Final answer
    x = 15,367.49

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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.