Home / 13,648.62-20,453.13-7,403.34

Finding the Fourth Proportional to 13,648.62, 20,453.13 and 7,403.34

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Solution

The fourth proportional to 13,648.62, 20,453.13 and 7,403.34 is: 11,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.62 : 20,453.13 = 7,403.34 : x
  2. Step 2: Convert to fraction form
    13,648.62/20,453.13 = 7,403.34/x
  3. Step 3: Cross multiply
    13,648.62x = 20,453.13 × 7,403.34
  4. Step 4: Simplify right side
    13,648.62x = 151,421,475.45
  5. Step 5: Solve for x
    x = 151,421,475.45/13,648.62
  6. Step 6: Final answer
    x = 11,094.27

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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.