Home / 14,720.46-20,314.14-8,348.24

Finding the Fourth Proportional to 14,720.46, 20,314.14 and 8,348.24

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Solution

The fourth proportional to 14,720.46, 20,314.14 and 8,348.24 is: 11,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.46 : 20,314.14 = 8,348.24 : x
  2. Step 2: Convert to fraction form
    14,720.46/20,314.14 = 8,348.24/x
  3. Step 3: Cross multiply
    14,720.46x = 20,314.14 × 8,348.24
  4. Step 4: Simplify right side
    14,720.46x = 169,587,316.11
  5. Step 5: Solve for x
    x = 169,587,316.11/14,720.46
  6. Step 6: Final answer
    x = 11,520.52

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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.