Home / 20,829.16-31,246.98-6,038.20

Finding the Fourth Proportional to 20,829.16, 31,246.98 and 6,038.20

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Solution

The fourth proportional to 20,829.16, 31,246.98 and 6,038.20 is: 9,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829.16 : 31,246.98 = 6,038.20 : x
  2. Step 2: Convert to fraction form
    20,829.16/31,246.98 = 6,038.20/x
  3. Step 3: Cross multiply
    20,829.16x = 31,246.98 × 6,038.20
  4. Step 4: Simplify right side
    20,829.16x = 188,675,514.64
  5. Step 5: Solve for x
    x = 188,675,514.64/20,829.16
  6. Step 6: Final answer
    x = 9,058.24

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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.