Home / 14,543.38-20,069.32-8,887.59

Finding the Fourth Proportional to 14,543.38, 20,069.32 and 8,887.59

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Solution

The fourth proportional to 14,543.38, 20,069.32 and 8,887.59 is: 12,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.38 : 20,069.32 = 8,887.59 : x
  2. Step 2: Convert to fraction form
    14,543.38/20,069.32 = 8,887.59/x
  3. Step 3: Cross multiply
    14,543.38x = 20,069.32 × 8,887.59
  4. Step 4: Simplify right side
    14,543.38x = 178,367,887.74
  5. Step 5: Solve for x
    x = 178,367,887.74/14,543.38
  6. Step 6: Final answer
    x = 12,264.54

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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.