Home / 15,672.76-21,628.44-8,599.24

Finding the Fourth Proportional to 15,672.76, 21,628.44 and 8,599.24

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Solution

The fourth proportional to 15,672.76, 21,628.44 and 8,599.24 is: 11,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.76 : 21,628.44 = 8,599.24 : x
  2. Step 2: Convert to fraction form
    15,672.76/21,628.44 = 8,599.24/x
  3. Step 3: Cross multiply
    15,672.76x = 21,628.44 × 8,599.24
  4. Step 4: Simplify right side
    15,672.76x = 185,988,146.39
  5. Step 5: Solve for x
    x = 185,988,146.39/15,672.76
  6. Step 6: Final answer
    x = 11,866.97

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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.