Home / 16,798.74-25,208.45-9,781.86

Finding the Fourth Proportional to 16,798.74, 25,208.45 and 9,781.86

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Solution

The fourth proportional to 16,798.74, 25,208.45 and 9,781.86 is: 14,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798.74 : 25,208.45 = 9,781.86 : x
  2. Step 2: Convert to fraction form
    16,798.74/25,208.45 = 9,781.86/x
  3. Step 3: Cross multiply
    16,798.74x = 25,208.45 × 9,781.86
  4. Step 4: Simplify right side
    16,798.74x = 246,585,479.81
  5. Step 5: Solve for x
    x = 246,585,479.81/16,798.74
  6. Step 6: Final answer
    x = 14,678.81

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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.