Home / 15,633.76-21,575.10-8,560.33

Finding the Fourth Proportional to 15,633.76, 21,575.10 and 8,560.33

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Solution

The fourth proportional to 15,633.76, 21,575.10 and 8,560.33 is: 11,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.76 : 21,575.10 = 8,560.33 : x
  2. Step 2: Convert to fraction form
    15,633.76/21,575.10 = 8,560.33/x
  3. Step 3: Cross multiply
    15,633.76x = 21,575.10 × 8,560.33
  4. Step 4: Simplify right side
    15,633.76x = 184,689,975.78
  5. Step 5: Solve for x
    x = 184,689,975.78/15,633.76
  6. Step 6: Final answer
    x = 11,813.54

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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.