Home / 22,161.86-30,567.71-13,202.45

Finding the Fourth Proportional to 22,161.86, 30,567.71 and 13,202.45

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Solution

The fourth proportional to 22,161.86, 30,567.71 and 13,202.45 is: 18,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.86 : 30,567.71 = 13,202.45 : x
  2. Step 2: Convert to fraction form
    22,161.86/30,567.71 = 13,202.45/x
  3. Step 3: Cross multiply
    22,161.86x = 30,567.71 × 13,202.45
  4. Step 4: Simplify right side
    22,161.86x = 403,568,444.04
  5. Step 5: Solve for x
    x = 403,568,444.04/22,161.86
  6. Step 6: Final answer
    x = 18,210.05

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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.