Home / 16,772.48-23,146.04-9,218.81

Finding the Fourth Proportional to 16,772.48, 23,146.04 and 9,218.81

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Solution

The fourth proportional to 16,772.48, 23,146.04 and 9,218.81 is: 12,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.48 : 23,146.04 = 9,218.81 : x
  2. Step 2: Convert to fraction form
    16,772.48/23,146.04 = 9,218.81/x
  3. Step 3: Cross multiply
    16,772.48x = 23,146.04 × 9,218.81
  4. Step 4: Simplify right side
    16,772.48x = 213,378,783.19
  5. Step 5: Solve for x
    x = 213,378,783.19/16,772.48
  6. Step 6: Final answer
    x = 12,721.96

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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.