Home / 15,592.10-21,516.84-8,518.37

Finding the Fourth Proportional to 15,592.10, 21,516.84 and 8,518.37

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Solution

The fourth proportional to 15,592.10, 21,516.84 and 8,518.37 is: 11,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.10 : 21,516.84 = 8,518.37 : x
  2. Step 2: Convert to fraction form
    15,592.10/21,516.84 = 8,518.37/x
  3. Step 3: Cross multiply
    15,592.10x = 21,516.84 × 8,518.37
  4. Step 4: Simplify right side
    15,592.10x = 183,288,296.77
  5. Step 5: Solve for x
    x = 183,288,296.77/15,592.10
  6. Step 6: Final answer
    x = 11,755.21

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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.