Home / 18,894.57-26,076.20-10,398.34

Finding the Fourth Proportional to 18,894.57, 26,076.20 and 10,398.34

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Solution

The fourth proportional to 18,894.57, 26,076.20 and 10,398.34 is: 14,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.57 : 26,076.20 = 10,398.34 : x
  2. Step 2: Convert to fraction form
    18,894.57/26,076.20 = 10,398.34/x
  3. Step 3: Cross multiply
    18,894.57x = 26,076.20 × 10,398.34
  4. Step 4: Simplify right side
    18,894.57x = 271,149,193.51
  5. Step 5: Solve for x
    x = 271,149,193.51/18,894.57
  6. Step 6: Final answer
    x = 14,350.64

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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.