Home / 13,772.96-20,646.48-5,003.36

Finding the Fourth Proportional to 13,772.96, 20,646.48 and 5,003.36

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Solution

The fourth proportional to 13,772.96, 20,646.48 and 5,003.36 is: 7,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.96 : 20,646.48 = 5,003.36 : x
  2. Step 2: Convert to fraction form
    13,772.96/20,646.48 = 5,003.36/x
  3. Step 3: Cross multiply
    13,772.96x = 20,646.48 × 5,003.36
  4. Step 4: Simplify right side
    13,772.96x = 103,301,772.17
  5. Step 5: Solve for x
    x = 103,301,772.17/13,772.96
  6. Step 6: Final answer
    x = 7,500.33

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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.