Home / 18,052.20-27,068.29-7,386.05

Finding the Fourth Proportional to 18,052.20, 27,068.29 and 7,386.05

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Solution

The fourth proportional to 18,052.20, 27,068.29 and 7,386.05 is: 11,074.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.20 : 27,068.29 = 7,386.05 : x
  2. Step 2: Convert to fraction form
    18,052.20/27,068.29 = 7,386.05/x
  3. Step 3: Cross multiply
    18,052.20x = 27,068.29 × 7,386.05
  4. Step 4: Simplify right side
    18,052.20x = 199,927,743.35
  5. Step 5: Solve for x
    x = 199,927,743.35/18,052.20
  6. Step 6: Final answer
    x = 11,074.98

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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.