Home / 13,051.80-18,014.40-8,016.12

Finding the Fourth Proportional to 13,051.80, 18,014.40 and 8,016.12

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Solution

The fourth proportional to 13,051.80, 18,014.40 and 8,016.12 is: 11,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.80 : 18,014.40 = 8,016.12 : x
  2. Step 2: Convert to fraction form
    13,051.80/18,014.40 = 8,016.12/x
  3. Step 3: Cross multiply
    13,051.80x = 18,014.40 × 8,016.12
  4. Step 4: Simplify right side
    13,051.80x = 144,405,592.13
  5. Step 5: Solve for x
    x = 144,405,592.13/13,051.80
  6. Step 6: Final answer
    x = 11,064.04

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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.