Home / 19,173.42-26,402.10-18,736.74

Finding the Fourth Proportional to 19,173.42, 26,402.10 and 18,736.74

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Solution

The fourth proportional to 19,173.42, 26,402.10 and 18,736.74 is: 25,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.42 : 26,402.10 = 18,736.74 : x
  2. Step 2: Convert to fraction form
    19,173.42/26,402.10 = 18,736.74/x
  3. Step 3: Cross multiply
    19,173.42x = 26,402.10 × 18,736.74
  4. Step 4: Simplify right side
    19,173.42x = 494,689,283.15
  5. Step 5: Solve for x
    x = 494,689,283.15/19,173.42
  6. Step 6: Final answer
    x = 25,800.78

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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.