Home / 18,767.46-25,904.16-11,689.68

Finding the Fourth Proportional to 18,767.46, 25,904.16 and 11,689.68

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Solution

The fourth proportional to 18,767.46, 25,904.16 and 11,689.68 is: 16,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.46 : 25,904.16 = 11,689.68 : x
  2. Step 2: Convert to fraction form
    18,767.46/25,904.16 = 11,689.68/x
  3. Step 3: Cross multiply
    18,767.46x = 25,904.16 × 11,689.68
  4. Step 4: Simplify right side
    18,767.46x = 302,811,341.07
  5. Step 5: Solve for x
    x = 302,811,341.07/18,767.46
  6. Step 6: Final answer
    x = 16,134.91

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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.