Home / 15,634.55-21,575.48-8,560.98

Finding the Fourth Proportional to 15,634.55, 21,575.48 and 8,560.98

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Solution

The fourth proportional to 15,634.55, 21,575.48 and 8,560.98 is: 11,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.55 : 21,575.48 = 8,560.98 : x
  2. Step 2: Convert to fraction form
    15,634.55/21,575.48 = 8,560.98/x
  3. Step 3: Cross multiply
    15,634.55x = 21,575.48 × 8,560.98
  4. Step 4: Simplify right side
    15,634.55x = 184,707,209.97
  5. Step 5: Solve for x
    x = 184,707,209.97/15,634.55
  6. Step 6: Final answer
    x = 11,814.04

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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.