Home / 25,410.65-38,066.76-12,272.25

Finding the Fourth Proportional to 25,410.65, 38,066.76 and 12,272.25

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Solution

The fourth proportional to 25,410.65, 38,066.76 and 12,272.25 is: 18,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.65 : 38,066.76 = 12,272.25 : x
  2. Step 2: Convert to fraction form
    25,410.65/38,066.76 = 12,272.25/x
  3. Step 3: Cross multiply
    25,410.65x = 38,066.76 × 12,272.25
  4. Step 4: Simplify right side
    25,410.65x = 467,164,795.41
  5. Step 5: Solve for x
    x = 467,164,795.41/25,410.65
  6. Step 6: Final answer
    x = 18,384.61

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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.