Home / 23,989.12-33,107.96-13,783.32

Finding the Fourth Proportional to 23,989.12, 33,107.96 and 13,783.32

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Solution

The fourth proportional to 23,989.12, 33,107.96 and 13,783.32 is: 19,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.12 : 33,107.96 = 13,783.32 : x
  2. Step 2: Convert to fraction form
    23,989.12/33,107.96 = 13,783.32/x
  3. Step 3: Cross multiply
    23,989.12x = 33,107.96 × 13,783.32
  4. Step 4: Simplify right side
    23,989.12x = 456,337,607.23
  5. Step 5: Solve for x
    x = 456,337,607.23/23,989.12
  6. Step 6: Final answer
    x = 19,022.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.