Home / 18,667.53-25,760.03-10,284.03

Finding the Fourth Proportional to 18,667.53, 25,760.03 and 10,284.03

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Solution

The fourth proportional to 18,667.53, 25,760.03 and 10,284.03 is: 14,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.53 : 25,760.03 = 10,284.03 : x
  2. Step 2: Convert to fraction form
    18,667.53/25,760.03 = 10,284.03/x
  3. Step 3: Cross multiply
    18,667.53x = 25,760.03 × 10,284.03
  4. Step 4: Simplify right side
    18,667.53x = 264,916,869.90
  5. Step 5: Solve for x
    x = 264,916,869.90/18,667.53
  6. Step 6: Final answer
    x = 14,191.32

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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.