Home / 12,020.22-18,045.18-5,701.14

Finding the Fourth Proportional to 12,020.22, 18,045.18 and 5,701.14

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Solution

The fourth proportional to 12,020.22, 18,045.18 and 5,701.14 is: 8,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.22 : 18,045.18 = 5,701.14 : x
  2. Step 2: Convert to fraction form
    12,020.22/18,045.18 = 5,701.14/x
  3. Step 3: Cross multiply
    12,020.22x = 18,045.18 × 5,701.14
  4. Step 4: Simplify right side
    12,020.22x = 102,878,097.51
  5. Step 5: Solve for x
    x = 102,878,097.51/12,020.22
  6. Step 6: Final answer
    x = 8,558.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.