Home / 19,555.22-29,332.82-7,072.32

Finding the Fourth Proportional to 19,555.22, 29,332.82 and 7,072.32

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Solution

The fourth proportional to 19,555.22, 29,332.82 and 7,072.32 is: 10,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.22 : 29,332.82 = 7,072.32 : x
  2. Step 2: Convert to fraction form
    19,555.22/29,332.82 = 7,072.32/x
  3. Step 3: Cross multiply
    19,555.22x = 29,332.82 × 7,072.32
  4. Step 4: Simplify right side
    19,555.22x = 207,451,054.18
  5. Step 5: Solve for x
    x = 207,451,054.18/19,555.22
  6. Step 6: Final answer
    x = 10,608.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.