Home / 18,822.06-25,973.79-10,439.34

Finding the Fourth Proportional to 18,822.06, 25,973.79 and 10,439.34

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Solution

The fourth proportional to 18,822.06, 25,973.79 and 10,439.34 is: 14,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.06 : 25,973.79 = 10,439.34 : x
  2. Step 2: Convert to fraction form
    18,822.06/25,973.79 = 10,439.34/x
  3. Step 3: Cross multiply
    18,822.06x = 25,973.79 × 10,439.34
  4. Step 4: Simplify right side
    18,822.06x = 271,149,224.90
  5. Step 5: Solve for x
    x = 271,149,224.90/18,822.06
  6. Step 6: Final answer
    x = 14,405.93

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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.