Home / 14,543.39-20,069.34-8,887.60

Finding the Fourth Proportional to 14,543.39, 20,069.34 and 8,887.60

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Solution

The fourth proportional to 14,543.39, 20,069.34 and 8,887.60 is: 12,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.39 : 20,069.34 = 8,887.60 : x
  2. Step 2: Convert to fraction form
    14,543.39/20,069.34 = 8,887.60/x
  3. Step 3: Cross multiply
    14,543.39x = 20,069.34 × 8,887.60
  4. Step 4: Simplify right side
    14,543.39x = 178,368,193.79
  5. Step 5: Solve for x
    x = 178,368,193.79/14,543.39
  6. Step 6: Final answer
    x = 12,264.56

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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.