Home / 18,117.36-27,176.06-4,969.83

Finding the Fourth Proportional to 18,117.36, 27,176.06 and 4,969.83

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Solution

The fourth proportional to 18,117.36, 27,176.06 and 4,969.83 is: 7,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.36 : 27,176.06 = 4,969.83 : x
  2. Step 2: Convert to fraction form
    18,117.36/27,176.06 = 4,969.83/x
  3. Step 3: Cross multiply
    18,117.36x = 27,176.06 × 4,969.83
  4. Step 4: Simplify right side
    18,117.36x = 135,060,373.42
  5. Step 5: Solve for x
    x = 135,060,373.42/18,117.36
  6. Step 6: Final answer
    x = 7,454.75

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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.