Home / 19,657.54-29,481.72-5,617.18

Finding the Fourth Proportional to 19,657.54, 29,481.72 and 5,617.18

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Solution

The fourth proportional to 19,657.54, 29,481.72 and 5,617.18 is: 8,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.54 : 29,481.72 = 5,617.18 : x
  2. Step 2: Convert to fraction form
    19,657.54/29,481.72 = 5,617.18/x
  3. Step 3: Cross multiply
    19,657.54x = 29,481.72 × 5,617.18
  4. Step 4: Simplify right side
    19,657.54x = 165,604,127.95
  5. Step 5: Solve for x
    x = 165,604,127.95/19,657.54
  6. Step 6: Final answer
    x = 8,424.46

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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.