Home / 43,012.25-64,507.41-13,433.07

Finding the Fourth Proportional to 43,012.25, 64,507.41 and 13,433.07

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Solution

The fourth proportional to 43,012.25, 64,507.41 and 13,433.07 is: 20,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012.25 : 64,507.41 = 13,433.07 : x
  2. Step 2: Convert to fraction form
    43,012.25/64,507.41 = 13,433.07/x
  3. Step 3: Cross multiply
    43,012.25x = 64,507.41 × 13,433.07
  4. Step 4: Simplify right side
    43,012.25x = 866,532,554.05
  5. Step 5: Solve for x
    x = 866,532,554.05/43,012.25
  6. Step 6: Final answer
    x = 20,146.18

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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.