Home / 18,658.83-25,748.81-10,161.06

Finding the Fourth Proportional to 18,658.83, 25,748.81 and 10,161.06

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Solution

The fourth proportional to 18,658.83, 25,748.81 and 10,161.06 is: 14,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658.83 : 25,748.81 = 10,161.06 : x
  2. Step 2: Convert to fraction form
    18,658.83/25,748.81 = 10,161.06/x
  3. Step 3: Cross multiply
    18,658.83x = 25,748.81 × 10,161.06
  4. Step 4: Simplify right side
    18,658.83x = 261,635,094.08
  5. Step 5: Solve for x
    x = 261,635,094.08/18,658.83
  6. Step 6: Final answer
    x = 14,022.05

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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.