Home / 15,592.19-21,517.08-8,518.64

Finding the Fourth Proportional to 15,592.19, 21,517.08 and 8,518.64

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Solution

The fourth proportional to 15,592.19, 21,517.08 and 8,518.64 is: 11,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.19 : 21,517.08 = 8,518.64 : x
  2. Step 2: Convert to fraction form
    15,592.19/21,517.08 = 8,518.64/x
  3. Step 3: Cross multiply
    15,592.19x = 21,517.08 × 8,518.64
  4. Step 4: Simplify right side
    15,592.19x = 183,296,258.37
  5. Step 5: Solve for x
    x = 183,296,258.37/15,592.19
  6. Step 6: Final answer
    x = 11,755.65

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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.