Home / 20,303.41-28,022.17-11,810.46

Finding the Fourth Proportional to 20,303.41, 28,022.17 and 11,810.46

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Solution

The fourth proportional to 20,303.41, 28,022.17 and 11,810.46 is: 16,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.41 : 28,022.17 = 11,810.46 : x
  2. Step 2: Convert to fraction form
    20,303.41/28,022.17 = 11,810.46/x
  3. Step 3: Cross multiply
    20,303.41x = 28,022.17 × 11,810.46
  4. Step 4: Simplify right side
    20,303.41x = 330,954,552.39
  5. Step 5: Solve for x
    x = 330,954,552.39/20,303.41
  6. Step 6: Final answer
    x = 16,300.44

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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.