Home / 15,566.67-21,481.47-8,852.18

Finding the Fourth Proportional to 15,566.67, 21,481.47 and 8,852.18

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Solution

The fourth proportional to 15,566.67, 21,481.47 and 8,852.18 is: 12,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.67 : 21,481.47 = 8,852.18 : x
  2. Step 2: Convert to fraction form
    15,566.67/21,481.47 = 8,852.18/x
  3. Step 3: Cross multiply
    15,566.67x = 21,481.47 × 8,852.18
  4. Step 4: Simplify right side
    15,566.67x = 190,157,731.70
  5. Step 5: Solve for x
    x = 190,157,731.70/15,566.67
  6. Step 6: Final answer
    x = 12,215.70

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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.