Home / 18,063.42-24,933.29-12,687.15

Finding the Fourth Proportional to 18,063.42, 24,933.29 and 12,687.15

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Solution

The fourth proportional to 18,063.42, 24,933.29 and 12,687.15 is: 17,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.42 : 24,933.29 = 12,687.15 : x
  2. Step 2: Convert to fraction form
    18,063.42/24,933.29 = 12,687.15/x
  3. Step 3: Cross multiply
    18,063.42x = 24,933.29 × 12,687.15
  4. Step 4: Simplify right side
    18,063.42x = 316,332,326.79
  5. Step 5: Solve for x
    x = 316,332,326.79/18,063.42
  6. Step 6: Final answer
    x = 17,512.32

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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.