Home / 20,827.66-31,240.53-6,036.25

Finding the Fourth Proportional to 20,827.66, 31,240.53 and 6,036.25

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Solution

The fourth proportional to 20,827.66, 31,240.53 and 6,036.25 is: 9,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827.66 : 31,240.53 = 6,036.25 : x
  2. Step 2: Convert to fraction form
    20,827.66/31,240.53 = 6,036.25/x
  3. Step 3: Cross multiply
    20,827.66x = 31,240.53 × 6,036.25
  4. Step 4: Simplify right side
    20,827.66x = 188,575,649.21
  5. Step 5: Solve for x
    x = 188,575,649.21/20,827.66
  6. Step 6: Final answer
    x = 9,054.10

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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.