Home / 18,550.90-25,604.10-17,056.45

Finding the Fourth Proportional to 18,550.90, 25,604.10 and 17,056.45

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Solution

The fourth proportional to 18,550.90, 25,604.10 and 17,056.45 is: 23,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.90 : 25,604.10 = 17,056.45 : x
  2. Step 2: Convert to fraction form
    18,550.90/25,604.10 = 17,056.45/x
  3. Step 3: Cross multiply
    18,550.90x = 25,604.10 × 17,056.45
  4. Step 4: Simplify right side
    18,550.90x = 436,714,939.43
  5. Step 5: Solve for x
    x = 436,714,939.43/18,550.90
  6. Step 6: Final answer
    x = 23,541.45

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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.