Home / 25,641.32-38,457.18-11,786.92

Finding the Fourth Proportional to 25,641.32, 38,457.18 and 11,786.92

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Solution

The fourth proportional to 25,641.32, 38,457.18 and 11,786.92 is: 17,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.32 : 38,457.18 = 11,786.92 : x
  2. Step 2: Convert to fraction form
    25,641.32/38,457.18 = 11,786.92/x
  3. Step 3: Cross multiply
    25,641.32x = 38,457.18 × 11,786.92
  4. Step 4: Simplify right side
    25,641.32x = 453,291,704.09
  5. Step 5: Solve for x
    x = 453,291,704.09/25,641.32
  6. Step 6: Final answer
    x = 17,678.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.