Home / 15,566.18-21,481.45-8,492.66

Finding the Fourth Proportional to 15,566.18, 21,481.45 and 8,492.66

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Solution

The fourth proportional to 15,566.18, 21,481.45 and 8,492.66 is: 11,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.18 : 21,481.45 = 8,492.66 : x
  2. Step 2: Convert to fraction form
    15,566.18/21,481.45 = 8,492.66/x
  3. Step 3: Cross multiply
    15,566.18x = 21,481.45 × 8,492.66
  4. Step 4: Simplify right side
    15,566.18x = 182,434,651.16
  5. Step 5: Solve for x
    x = 182,434,651.16/15,566.18
  6. Step 6: Final answer
    x = 11,719.94

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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.