Home / 14,901.22-20,563.60-8,186.70

Finding the Fourth Proportional to 14,901.22, 20,563.60 and 8,186.70

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Solution

The fourth proportional to 14,901.22, 20,563.60 and 8,186.70 is: 11,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.22 : 20,563.60 = 8,186.70 : x
  2. Step 2: Convert to fraction form
    14,901.22/20,563.60 = 8,186.70/x
  3. Step 3: Cross multiply
    14,901.22x = 20,563.60 × 8,186.70
  4. Step 4: Simplify right side
    14,901.22x = 168,348,024.12
  5. Step 5: Solve for x
    x = 168,348,024.12/14,901.22
  6. Step 6: Final answer
    x = 11,297.60

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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.