Home / 14,872.82-20,524.93-8,158.86

Finding the Fourth Proportional to 14,872.82, 20,524.93 and 8,158.86

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Solution

The fourth proportional to 14,872.82, 20,524.93 and 8,158.86 is: 11,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.82 : 20,524.93 = 8,158.86 : x
  2. Step 2: Convert to fraction form
    14,872.82/20,524.93 = 8,158.86/x
  3. Step 3: Cross multiply
    14,872.82x = 20,524.93 × 8,158.86
  4. Step 4: Simplify right side
    14,872.82x = 167,460,009.98
  5. Step 5: Solve for x
    x = 167,460,009.98/14,872.82
  6. Step 6: Final answer
    x = 11,259.47

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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.