Home / 13,463.93-20,239.64-13,398.32

Finding the Fourth Proportional to 13,463.93, 20,239.64 and 13,398.32

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Solution

The fourth proportional to 13,463.93, 20,239.64 and 13,398.32 is: 20,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.93 : 20,239.64 = 13,398.32 : x
  2. Step 2: Convert to fraction form
    13,463.93/20,239.64 = 13,398.32/x
  3. Step 3: Cross multiply
    13,463.93x = 20,239.64 × 13,398.32
  4. Step 4: Simplify right side
    13,463.93x = 271,177,005.22
  5. Step 5: Solve for x
    x = 271,177,005.22/13,463.93
  6. Step 6: Final answer
    x = 20,141.01

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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.