Home / 22,055.88-30,434.22-13,562.40

Finding the Fourth Proportional to 22,055.88, 30,434.22 and 13,562.40

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Solution

The fourth proportional to 22,055.88, 30,434.22 and 13,562.40 is: 18,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.88 : 30,434.22 = 13,562.40 : x
  2. Step 2: Convert to fraction form
    22,055.88/30,434.22 = 13,562.40/x
  3. Step 3: Cross multiply
    22,055.88x = 30,434.22 × 13,562.40
  4. Step 4: Simplify right side
    22,055.88x = 412,761,065.33
  5. Step 5: Solve for x
    x = 412,761,065.33/22,055.88
  6. Step 6: Final answer
    x = 18,714.33

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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.