Home / 43,255.09-64,892.25-13,273.50

Finding the Fourth Proportional to 43,255.09, 64,892.25 and 13,273.50

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Solution

The fourth proportional to 43,255.09, 64,892.25 and 13,273.50 is: 19,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,255.09 : 64,892.25 = 13,273.50 : x
  2. Step 2: Convert to fraction form
    43,255.09/64,892.25 = 13,273.50/x
  3. Step 3: Cross multiply
    43,255.09x = 64,892.25 × 13,273.50
  4. Step 4: Simplify right side
    43,255.09x = 861,347,214.01
  5. Step 5: Solve for x
    x = 861,347,214.01/43,255.09
  6. Step 6: Final answer
    x = 19,913.20

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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.