Home / 22,137.62-30,547.77-12,704.36

Finding the Fourth Proportional to 22,137.62, 30,547.77 and 12,704.36

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Solution

The fourth proportional to 22,137.62, 30,547.77 and 12,704.36 is: 17,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.62 : 30,547.77 = 12,704.36 : x
  2. Step 2: Convert to fraction form
    22,137.62/30,547.77 = 12,704.36/x
  3. Step 3: Cross multiply
    22,137.62x = 30,547.77 × 12,704.36
  4. Step 4: Simplify right side
    22,137.62x = 388,089,867.28
  5. Step 5: Solve for x
    x = 388,089,867.28/22,137.62
  6. Step 6: Final answer
    x = 17,530.79

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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.