Home / 16,111.24-22,228.14-9,739.78

Finding the Fourth Proportional to 16,111.24, 22,228.14 and 9,739.78

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Solution

The fourth proportional to 16,111.24, 22,228.14 and 9,739.78 is: 13,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,111.24 : 22,228.14 = 9,739.78 : x
  2. Step 2: Convert to fraction form
    16,111.24/22,228.14 = 9,739.78/x
  3. Step 3: Cross multiply
    16,111.24x = 22,228.14 × 9,739.78
  4. Step 4: Simplify right side
    16,111.24x = 216,497,193.41
  5. Step 5: Solve for x
    x = 216,497,193.41/16,111.24
  6. Step 6: Final answer
    x = 13,437.65

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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.