Home / 18,666.09-25,767.45-12,295.98

Finding the Fourth Proportional to 18,666.09, 25,767.45 and 12,295.98

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Solution

The fourth proportional to 18,666.09, 25,767.45 and 12,295.98 is: 16,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.09 : 25,767.45 = 12,295.98 : x
  2. Step 2: Convert to fraction form
    18,666.09/25,767.45 = 12,295.98/x
  3. Step 3: Cross multiply
    18,666.09x = 25,767.45 × 12,295.98
  4. Step 4: Simplify right side
    18,666.09x = 316,836,049.85
  5. Step 5: Solve for x
    x = 316,836,049.85/18,666.09
  6. Step 6: Final answer
    x = 16,973.88

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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.