Home / 13,419.24-20,038.44-10,958.82

Finding the Fourth Proportional to 13,419.24, 20,038.44 and 10,958.82

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Solution

The fourth proportional to 13,419.24, 20,038.44 and 10,958.82 is: 16,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419.24 : 20,038.44 = 10,958.82 : x
  2. Step 2: Convert to fraction form
    13,419.24/20,038.44 = 10,958.82/x
  3. Step 3: Cross multiply
    13,419.24x = 20,038.44 × 10,958.82
  4. Step 4: Simplify right side
    13,419.24x = 219,597,657.04
  5. Step 5: Solve for x
    x = 219,597,657.04/13,419.24
  6. Step 6: Final answer
    x = 16,364.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.