Home / 43,259.09-64,888.25-13,676.94

Finding the Fourth Proportional to 43,259.09, 64,888.25 and 13,676.94

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Solution

The fourth proportional to 43,259.09, 64,888.25 and 13,676.94 is: 20,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,259.09 : 64,888.25 = 13,676.94 : x
  2. Step 2: Convert to fraction form
    43,259.09/64,888.25 = 13,676.94/x
  3. Step 3: Cross multiply
    43,259.09x = 64,888.25 × 13,676.94
  4. Step 4: Simplify right side
    43,259.09x = 887,472,633.57
  5. Step 5: Solve for x
    x = 887,472,633.57/43,259.09
  6. Step 6: Final answer
    x = 20,515.29

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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.