Home / 14,899.90-20,562.24-8,186.16

Finding the Fourth Proportional to 14,899.90, 20,562.24 and 8,186.16

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Solution

The fourth proportional to 14,899.90, 20,562.24 and 8,186.16 is: 11,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.90 : 20,562.24 = 8,186.16 : x
  2. Step 2: Convert to fraction form
    14,899.90/20,562.24 = 8,186.16/x
  3. Step 3: Cross multiply
    14,899.90x = 20,562.24 × 8,186.16
  4. Step 4: Simplify right side
    14,899.90x = 168,325,848.36
  5. Step 5: Solve for x
    x = 168,325,848.36/14,899.90
  6. Step 6: Final answer
    x = 11,297.11

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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.