Home / 14,722.48-20,316.88-8,350.24

Finding the Fourth Proportional to 14,722.48, 20,316.88 and 8,350.24

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Solution

The fourth proportional to 14,722.48, 20,316.88 and 8,350.24 is: 11,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.48 : 20,316.88 = 8,350.24 : x
  2. Step 2: Convert to fraction form
    14,722.48/20,316.88 = 8,350.24/x
  3. Step 3: Cross multiply
    14,722.48x = 20,316.88 × 8,350.24
  4. Step 4: Simplify right side
    14,722.48x = 169,650,824.05
  5. Step 5: Solve for x
    x = 169,650,824.05/14,722.48
  6. Step 6: Final answer
    x = 11,523.25

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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.