Home / 18,385.34-25,397.61-16,395.26

Finding the Fourth Proportional to 18,385.34, 25,397.61 and 16,395.26

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Solution

The fourth proportional to 18,385.34, 25,397.61 and 16,395.26 is: 22,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.34 : 25,397.61 = 16,395.26 : x
  2. Step 2: Convert to fraction form
    18,385.34/25,397.61 = 16,395.26/x
  3. Step 3: Cross multiply
    18,385.34x = 25,397.61 × 16,395.26
  4. Step 4: Simplify right side
    18,385.34x = 416,400,419.33
  5. Step 5: Solve for x
    x = 416,400,419.33/18,385.34
  6. Step 6: Final answer
    x = 22,648.50

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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.