Home / 53,505.20-80,257.80-14,066.30

Finding the Fourth Proportional to 53,505.20, 80,257.80 and 14,066.30

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Solution

The fourth proportional to 53,505.20, 80,257.80 and 14,066.30 is: 21,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,505.20 : 80,257.80 = 14,066.30 : x
  2. Step 2: Convert to fraction form
    53,505.20/80,257.80 = 14,066.30/x
  3. Step 3: Cross multiply
    53,505.20x = 80,257.80 × 14,066.30
  4. Step 4: Simplify right side
    53,505.20x = 1,128,930,292.14
  5. Step 5: Solve for x
    x = 1,128,930,292.14/53,505.20
  6. Step 6: Final answer
    x = 21,099.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.