Home / 18,617.95-27,927.38-5,470.75

Finding the Fourth Proportional to 18,617.95, 27,927.38 and 5,470.75

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Solution

The fourth proportional to 18,617.95, 27,927.38 and 5,470.75 is: 8,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.95 : 27,927.38 = 5,470.75 : x
  2. Step 2: Convert to fraction form
    18,617.95/27,927.38 = 5,470.75/x
  3. Step 3: Cross multiply
    18,617.95x = 27,927.38 × 5,470.75
  4. Step 4: Simplify right side
    18,617.95x = 152,783,714.14
  5. Step 5: Solve for x
    x = 152,783,714.14/18,617.95
  6. Step 6: Final answer
    x = 8,206.26

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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.