Home / 16,020.81-22,112.46-10,357.70

Finding the Fourth Proportional to 16,020.81, 22,112.46 and 10,357.70

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Solution

The fourth proportional to 16,020.81, 22,112.46 and 10,357.70 is: 14,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.81 : 22,112.46 = 10,357.70 : x
  2. Step 2: Convert to fraction form
    16,020.81/22,112.46 = 10,357.70/x
  3. Step 3: Cross multiply
    16,020.81x = 22,112.46 × 10,357.70
  4. Step 4: Simplify right side
    16,020.81x = 229,034,116.38
  5. Step 5: Solve for x
    x = 229,034,116.38/16,020.81
  6. Step 6: Final answer
    x = 14,296.04

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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.