Home / 18,550.22-25,579.60-13,826.30

Finding the Fourth Proportional to 18,550.22, 25,579.60 and 13,826.30

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Solution

The fourth proportional to 18,550.22, 25,579.60 and 13,826.30 is: 19,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.22 : 25,579.60 = 13,826.30 : x
  2. Step 2: Convert to fraction form
    18,550.22/25,579.60 = 13,826.30/x
  3. Step 3: Cross multiply
    18,550.22x = 25,579.60 × 13,826.30
  4. Step 4: Simplify right side
    18,550.22x = 353,671,061.02
  5. Step 5: Solve for x
    x = 353,671,061.02/18,550.22
  6. Step 6: Final answer
    x = 19,065.60

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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.