Home / 15,977.00-22,049.90-9,605.66

Finding the Fourth Proportional to 15,977.00, 22,049.90 and 9,605.66

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Solution

The fourth proportional to 15,977.00, 22,049.90 and 9,605.66 is: 13,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.00 : 22,049.90 = 9,605.66 : x
  2. Step 2: Convert to fraction form
    15,977.00/22,049.90 = 9,605.66/x
  3. Step 3: Cross multiply
    15,977.00x = 22,049.90 × 9,605.66
  4. Step 4: Simplify right side
    15,977.00x = 211,803,879.21
  5. Step 5: Solve for x
    x = 211,803,879.21/15,977.00
  6. Step 6: Final answer
    x = 13,256.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.