Home / 14,850.72-20,495.16-8,565.12

Finding the Fourth Proportional to 14,850.72, 20,495.16 and 8,565.12

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Solution

The fourth proportional to 14,850.72, 20,495.16 and 8,565.12 is: 11,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,850.72 : 20,495.16 = 8,565.12 : x
  2. Step 2: Convert to fraction form
    14,850.72/20,495.16 = 8,565.12/x
  3. Step 3: Cross multiply
    14,850.72x = 20,495.16 × 8,565.12
  4. Step 4: Simplify right side
    14,850.72x = 175,543,504.82
  5. Step 5: Solve for x
    x = 175,543,504.82/14,850.72
  6. Step 6: Final answer
    x = 11,820.54

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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.