Home / 18,583.40-27,802.20-16,833.80

Finding the Fourth Proportional to 18,583.40, 27,802.20 and 16,833.80

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Solution

The fourth proportional to 18,583.40, 27,802.20 and 16,833.80 is: 25,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.40 : 27,802.20 = 16,833.80 : x
  2. Step 2: Convert to fraction form
    18,583.40/27,802.20 = 16,833.80/x
  3. Step 3: Cross multiply
    18,583.40x = 27,802.20 × 16,833.80
  4. Step 4: Simplify right side
    18,583.40x = 468,016,674.36
  5. Step 5: Solve for x
    x = 468,016,674.36/18,583.40
  6. Step 6: Final answer
    x = 25,184.66

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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.