Home / 14,910.96-20,568.56-9,312.24

Finding the Fourth Proportional to 14,910.96, 20,568.56 and 9,312.24

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Solution

The fourth proportional to 14,910.96, 20,568.56 and 9,312.24 is: 12,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.96 : 20,568.56 = 9,312.24 : x
  2. Step 2: Convert to fraction form
    14,910.96/20,568.56 = 9,312.24/x
  3. Step 3: Cross multiply
    14,910.96x = 20,568.56 × 9,312.24
  4. Step 4: Simplify right side
    14,910.96x = 191,539,367.17
  5. Step 5: Solve for x
    x = 191,539,367.17/14,910.96
  6. Step 6: Final answer
    x = 12,845.54

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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.