Home / 20,298.11-30,453.30-14,386.41

Finding the Fourth Proportional to 20,298.11, 30,453.30 and 14,386.41

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Solution

The fourth proportional to 20,298.11, 30,453.30 and 14,386.41 is: 21,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.11 : 30,453.30 = 14,386.41 : x
  2. Step 2: Convert to fraction form
    20,298.11/30,453.30 = 14,386.41/x
  3. Step 3: Cross multiply
    20,298.11x = 30,453.30 × 14,386.41
  4. Step 4: Simplify right side
    20,298.11x = 438,113,659.65
  5. Step 5: Solve for x
    x = 438,113,659.65/20,298.11
  6. Step 6: Final answer
    x = 21,583.97

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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.