Home / 18,666.10-25,759.22-10,282.60

Finding the Fourth Proportional to 18,666.10, 25,759.22 and 10,282.60

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Solution

The fourth proportional to 18,666.10, 25,759.22 and 10,282.60 is: 14,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.10 : 25,759.22 = 10,282.60 : x
  2. Step 2: Convert to fraction form
    18,666.10/25,759.22 = 10,282.60/x
  3. Step 3: Cross multiply
    18,666.10x = 25,759.22 × 10,282.60
  4. Step 4: Simplify right side
    18,666.10x = 264,871,755.57
  5. Step 5: Solve for x
    x = 264,871,755.57/18,666.10
  6. Step 6: Final answer
    x = 14,189.99

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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.