Home / 43,251.42-64,871.55-13,672.25

Finding the Fourth Proportional to 43,251.42, 64,871.55 and 13,672.25

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Solution

The fourth proportional to 43,251.42, 64,871.55 and 13,672.25 is: 20,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,251.42 : 64,871.55 = 13,672.25 : x
  2. Step 2: Convert to fraction form
    43,251.42/64,871.55 = 13,672.25/x
  3. Step 3: Cross multiply
    43,251.42x = 64,871.55 × 13,672.25
  4. Step 4: Simplify right side
    43,251.42x = 886,939,725.13
  5. Step 5: Solve for x
    x = 886,939,725.13/43,251.42
  6. Step 6: Final answer
    x = 20,506.60

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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.