Home / 15,199.08-20,984.24-11,655.48

Finding the Fourth Proportional to 15,199.08, 20,984.24 and 11,655.48

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Solution

The fourth proportional to 15,199.08, 20,984.24 and 11,655.48 is: 16,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199.08 : 20,984.24 = 11,655.48 : x
  2. Step 2: Convert to fraction form
    15,199.08/20,984.24 = 11,655.48/x
  3. Step 3: Cross multiply
    15,199.08x = 20,984.24 × 11,655.48
  4. Step 4: Simplify right side
    15,199.08x = 244,581,389.64
  5. Step 5: Solve for x
    x = 244,581,389.64/15,199.08
  6. Step 6: Final answer
    x = 16,091.85

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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.