Home / 43,207.48-64,812.60-13,625.58

Finding the Fourth Proportional to 43,207.48, 64,812.60 and 13,625.58

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Solution

The fourth proportional to 43,207.48, 64,812.60 and 13,625.58 is: 20,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207.48 : 64,812.60 = 13,625.58 : x
  2. Step 2: Convert to fraction form
    43,207.48/64,812.60 = 13,625.58/x
  3. Step 3: Cross multiply
    43,207.48x = 64,812.60 × 13,625.58
  4. Step 4: Simplify right side
    43,207.48x = 883,109,266.31
  5. Step 5: Solve for x
    x = 883,109,266.31/43,207.48
  6. Step 6: Final answer
    x = 20,438.81

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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.