Home / 14,720.57-20,314.20-8,006.06

Finding the Fourth Proportional to 14,720.57, 20,314.20 and 8,006.06

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Solution

The fourth proportional to 14,720.57, 20,314.20 and 8,006.06 is: 11,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.57 : 20,314.20 = 8,006.06 : x
  2. Step 2: Convert to fraction form
    14,720.57/20,314.20 = 8,006.06/x
  3. Step 3: Cross multiply
    14,720.57x = 20,314.20 × 8,006.06
  4. Step 4: Simplify right side
    14,720.57x = 162,636,562.45
  5. Step 5: Solve for x
    x = 162,636,562.45/14,720.57
  6. Step 6: Final answer
    x = 11,048.25

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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.