Home / 14,664.48-20,232.23-8,290.46

Finding the Fourth Proportional to 14,664.48, 20,232.23 and 8,290.46

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Solution

The fourth proportional to 14,664.48, 20,232.23 and 8,290.46 is: 11,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.48 : 20,232.23 = 8,290.46 : x
  2. Step 2: Convert to fraction form
    14,664.48/20,232.23 = 8,290.46/x
  3. Step 3: Cross multiply
    14,664.48x = 20,232.23 × 8,290.46
  4. Step 4: Simplify right side
    14,664.48x = 167,734,350.91
  5. Step 5: Solve for x
    x = 167,734,350.91/14,664.48
  6. Step 6: Final answer
    x = 11,438.14

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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.