Home / 22,209.75-30,649.46-13,826.25

Finding the Fourth Proportional to 22,209.75, 30,649.46 and 13,826.25

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Solution

The fourth proportional to 22,209.75, 30,649.46 and 13,826.25 is: 19,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.75 : 30,649.46 = 13,826.25 : x
  2. Step 2: Convert to fraction form
    22,209.75/30,649.46 = 13,826.25/x
  3. Step 3: Cross multiply
    22,209.75x = 30,649.46 × 13,826.25
  4. Step 4: Simplify right side
    22,209.75x = 423,767,027.19
  5. Step 5: Solve for x
    x = 423,767,027.19/22,209.75
  6. Step 6: Final answer
    x = 19,080.23

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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.