Home / 14,755.10-20,360.58-8,705.22

Finding the Fourth Proportional to 14,755.10, 20,360.58 and 8,705.22

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Solution

The fourth proportional to 14,755.10, 20,360.58 and 8,705.22 is: 12,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.10 : 20,360.58 = 8,705.22 : x
  2. Step 2: Convert to fraction form
    14,755.10/20,360.58 = 8,705.22/x
  3. Step 3: Cross multiply
    14,755.10x = 20,360.58 × 8,705.22
  4. Step 4: Simplify right side
    14,755.10x = 177,243,328.23
  5. Step 5: Solve for x
    x = 177,243,328.23/14,755.10
  6. Step 6: Final answer
    x = 12,012.34

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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.