Home / 18,817.12-25,968.08-10,434.24

Finding the Fourth Proportional to 18,817.12, 25,968.08 and 10,434.24

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Solution

The fourth proportional to 18,817.12, 25,968.08 and 10,434.24 is: 14,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.12 : 25,968.08 = 10,434.24 : x
  2. Step 2: Convert to fraction form
    18,817.12/25,968.08 = 10,434.24/x
  3. Step 3: Cross multiply
    18,817.12x = 25,968.08 × 10,434.24
  4. Step 4: Simplify right side
    18,817.12x = 270,957,179.06
  5. Step 5: Solve for x
    x = 270,957,179.06/18,817.12
  6. Step 6: Final answer
    x = 14,399.50

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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.