Home / 18,315.49-27,475.38-5,831.14

Finding the Fourth Proportional to 18,315.49, 27,475.38 and 5,831.14

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Solution

The fourth proportional to 18,315.49, 27,475.38 and 5,831.14 is: 8,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.49 : 27,475.38 = 5,831.14 : x
  2. Step 2: Convert to fraction form
    18,315.49/27,475.38 = 5,831.14/x
  3. Step 3: Cross multiply
    18,315.49x = 27,475.38 × 5,831.14
  4. Step 4: Simplify right side
    18,315.49x = 160,212,787.33
  5. Step 5: Solve for x
    x = 160,212,787.33/18,315.49
  6. Step 6: Final answer
    x = 8,747.39

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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.