Home / 17,716.70-26,538.60-12,176.30

Finding the Fourth Proportional to 17,716.70, 26,538.60 and 12,176.30

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Solution

The fourth proportional to 17,716.70, 26,538.60 and 12,176.30 is: 18,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,716.70 : 26,538.60 = 12,176.30 : x
  2. Step 2: Convert to fraction form
    17,716.70/26,538.60 = 12,176.30/x
  3. Step 3: Cross multiply
    17,716.70x = 26,538.60 × 12,176.30
  4. Step 4: Simplify right side
    17,716.70x = 323,141,955.18
  5. Step 5: Solve for x
    x = 323,141,955.18/17,716.70
  6. Step 6: Final answer
    x = 18,239.40

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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.