Home / 16,986.11-25,483.56-6,456.31

Finding the Fourth Proportional to 16,986.11, 25,483.56 and 6,456.31

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Solution

The fourth proportional to 16,986.11, 25,483.56 and 6,456.31 is: 9,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.11 : 25,483.56 = 6,456.31 : x
  2. Step 2: Convert to fraction form
    16,986.11/25,483.56 = 6,456.31/x
  3. Step 3: Cross multiply
    16,986.11x = 25,483.56 × 6,456.31
  4. Step 4: Simplify right side
    16,986.11x = 164,529,699.55
  5. Step 5: Solve for x
    x = 164,529,699.55/16,986.11
  6. Step 6: Final answer
    x = 9,686.13

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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.