Home / 15,566.07-21,481.17-8,492.54

Finding the Fourth Proportional to 15,566.07, 21,481.17 and 8,492.54

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Solution

The fourth proportional to 15,566.07, 21,481.17 and 8,492.54 is: 11,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.07 : 21,481.17 = 8,492.54 : x
  2. Step 2: Convert to fraction form
    15,566.07/21,481.17 = 8,492.54/x
  3. Step 3: Cross multiply
    15,566.07x = 21,481.17 × 8,492.54
  4. Step 4: Simplify right side
    15,566.07x = 182,429,695.47
  5. Step 5: Solve for x
    x = 182,429,695.47/15,566.07
  6. Step 6: Final answer
    x = 11,719.70

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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.