Home / 18,609.16-25,687.38-12,323.56

Finding the Fourth Proportional to 18,609.16, 25,687.38 and 12,323.56

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Solution

The fourth proportional to 18,609.16, 25,687.38 and 12,323.56 is: 17,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.16 : 25,687.38 = 12,323.56 : x
  2. Step 2: Convert to fraction form
    18,609.16/25,687.38 = 12,323.56/x
  3. Step 3: Cross multiply
    18,609.16x = 25,687.38 × 12,323.56
  4. Step 4: Simplify right side
    18,609.16x = 316,559,968.67
  5. Step 5: Solve for x
    x = 316,559,968.67/18,609.16
  6. Step 6: Final answer
    x = 17,010.98

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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.