Home / 18,909.21-26,094.72-10,411.37

Finding the Fourth Proportional to 18,909.21, 26,094.72 and 10,411.37

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Solution

The fourth proportional to 18,909.21, 26,094.72 and 10,411.37 is: 14,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909.21 : 26,094.72 = 10,411.37 : x
  2. Step 2: Convert to fraction form
    18,909.21/26,094.72 = 10,411.37/x
  3. Step 3: Cross multiply
    18,909.21x = 26,094.72 × 10,411.37
  4. Step 4: Simplify right side
    18,909.21x = 271,681,654.49
  5. Step 5: Solve for x
    x = 271,681,654.49/18,909.21
  6. Step 6: Final answer
    x = 14,367.69

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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.