Home / 22,031.37-30,419.08-13,544.87

Finding the Fourth Proportional to 22,031.37, 30,419.08 and 13,544.87

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Solution

The fourth proportional to 22,031.37, 30,419.08 and 13,544.87 is: 18,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.37 : 30,419.08 = 13,544.87 : x
  2. Step 2: Convert to fraction form
    22,031.37/30,419.08 = 13,544.87/x
  3. Step 3: Cross multiply
    22,031.37x = 30,419.08 × 13,544.87
  4. Step 4: Simplify right side
    22,031.37x = 412,022,484.12
  5. Step 5: Solve for x
    x = 412,022,484.12/22,031.37
  6. Step 6: Final answer
    x = 18,701.63

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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.