Home / 18,186.35-27,279.51-5,038.71

Finding the Fourth Proportional to 18,186.35, 27,279.51 and 5,038.71

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Solution

The fourth proportional to 18,186.35, 27,279.51 and 5,038.71 is: 7,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.35 : 27,279.51 = 5,038.71 : x
  2. Step 2: Convert to fraction form
    18,186.35/27,279.51 = 5,038.71/x
  3. Step 3: Cross multiply
    18,186.35x = 27,279.51 × 5,038.71
  4. Step 4: Simplify right side
    18,186.35x = 137,453,539.83
  5. Step 5: Solve for x
    x = 137,453,539.83/18,186.35
  6. Step 6: Final answer
    x = 7,558.06

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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.