Home / 19,362.32-29,042.80-5,511.28

Finding the Fourth Proportional to 19,362.32, 29,042.80 and 5,511.28

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Solution

The fourth proportional to 19,362.32, 29,042.80 and 5,511.28 is: 8,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.32 : 29,042.80 = 5,511.28 : x
  2. Step 2: Convert to fraction form
    19,362.32/29,042.80 = 5,511.28/x
  3. Step 3: Cross multiply
    19,362.32x = 29,042.80 × 5,511.28
  4. Step 4: Simplify right side
    19,362.32x = 160,063,002.78
  5. Step 5: Solve for x
    x = 160,063,002.78/19,362.32
  6. Step 6: Final answer
    x = 8,266.73

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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.