Home / 15,566.16-21,481.38-8,492.58

Finding the Fourth Proportional to 15,566.16, 21,481.38 and 8,492.58

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Solution

The fourth proportional to 15,566.16, 21,481.38 and 8,492.58 is: 11,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.16 : 21,481.38 = 8,492.58 : x
  2. Step 2: Convert to fraction form
    15,566.16/21,481.38 = 8,492.58/x
  3. Step 3: Cross multiply
    15,566.16x = 21,481.38 × 8,492.58
  4. Step 4: Simplify right side
    15,566.16x = 182,432,338.16
  5. Step 5: Solve for x
    x = 182,432,338.16/15,566.16
  6. Step 6: Final answer
    x = 11,719.80

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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.