Home / 18,237.69-27,360.18-5,758.88

Finding the Fourth Proportional to 18,237.69, 27,360.18 and 5,758.88

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Solution

The fourth proportional to 18,237.69, 27,360.18 and 5,758.88 is: 8,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.69 : 27,360.18 = 5,758.88 : x
  2. Step 2: Convert to fraction form
    18,237.69/27,360.18 = 5,758.88/x
  3. Step 3: Cross multiply
    18,237.69x = 27,360.18 × 5,758.88
  4. Step 4: Simplify right side
    18,237.69x = 157,563,856.60
  5. Step 5: Solve for x
    x = 157,563,856.60/18,237.69
  6. Step 6: Final answer
    x = 8,639.46

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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.