Home / 18,658.36-25,748.50-10,274.84

Finding the Fourth Proportional to 18,658.36, 25,748.50 and 10,274.84

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Solution

The fourth proportional to 18,658.36, 25,748.50 and 10,274.84 is: 14,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658.36 : 25,748.50 = 10,274.84 : x
  2. Step 2: Convert to fraction form
    18,658.36/25,748.50 = 10,274.84/x
  3. Step 3: Cross multiply
    18,658.36x = 25,748.50 × 10,274.84
  4. Step 4: Simplify right side
    18,658.36x = 264,561,717.74
  5. Step 5: Solve for x
    x = 264,561,717.74/18,658.36
  6. Step 6: Final answer
    x = 14,179.26

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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.