Home / 18,663.57-25,759.08-10,708.43

Finding the Fourth Proportional to 18,663.57, 25,759.08 and 10,708.43

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Solution

The fourth proportional to 18,663.57, 25,759.08 and 10,708.43 is: 14,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.57 : 25,759.08 = 10,708.43 : x
  2. Step 2: Convert to fraction form
    18,663.57/25,759.08 = 10,708.43/x
  3. Step 3: Cross multiply
    18,663.57x = 25,759.08 × 10,708.43
  4. Step 4: Simplify right side
    18,663.57x = 275,839,176.25
  5. Step 5: Solve for x
    x = 275,839,176.25/18,663.57
  6. Step 6: Final answer
    x = 14,779.55

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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.