Home / 15,057.41-20,777.18-8,341.38

Finding the Fourth Proportional to 15,057.41, 20,777.18 and 8,341.38

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Solution

The fourth proportional to 15,057.41, 20,777.18 and 8,341.38 is: 11,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.41 : 20,777.18 = 8,341.38 : x
  2. Step 2: Convert to fraction form
    15,057.41/20,777.18 = 8,341.38/x
  3. Step 3: Cross multiply
    15,057.41x = 20,777.18 × 8,341.38
  4. Step 4: Simplify right side
    15,057.41x = 173,310,312.00
  5. Step 5: Solve for x
    x = 173,310,312.00/15,057.41
  6. Step 6: Final answer
    x = 11,509.97

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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.