Home / 13,644.33-20,459.58-6,242.46

Finding the Fourth Proportional to 13,644.33, 20,459.58 and 6,242.46

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Solution

The fourth proportional to 13,644.33, 20,459.58 and 6,242.46 is: 9,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.33 : 20,459.58 = 6,242.46 : x
  2. Step 2: Convert to fraction form
    13,644.33/20,459.58 = 6,242.46/x
  3. Step 3: Cross multiply
    13,644.33x = 20,459.58 × 6,242.46
  4. Step 4: Simplify right side
    13,644.33x = 127,718,109.77
  5. Step 5: Solve for x
    x = 127,718,109.77/13,644.33
  6. Step 6: Final answer
    x = 9,360.53

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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.