Home / 15,592.27-21,516.32-8,518.69

Finding the Fourth Proportional to 15,592.27, 21,516.32 and 8,518.69

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Solution

The fourth proportional to 15,592.27, 21,516.32 and 8,518.69 is: 11,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.27 : 21,516.32 = 8,518.69 : x
  2. Step 2: Convert to fraction form
    15,592.27/21,516.32 = 8,518.69/x
  3. Step 3: Cross multiply
    15,592.27x = 21,516.32 × 8,518.69
  4. Step 4: Simplify right side
    15,592.27x = 183,290,860.02
  5. Step 5: Solve for x
    x = 183,290,860.02/15,592.27
  6. Step 6: Final answer
    x = 11,755.24

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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.