Home / 17,054.55-23,543.78-13,217.58

Finding the Fourth Proportional to 17,054.55, 23,543.78 and 13,217.58

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Solution

The fourth proportional to 17,054.55, 23,543.78 and 13,217.58 is: 18,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,054.55 : 23,543.78 = 13,217.58 : x
  2. Step 2: Convert to fraction form
    17,054.55/23,543.78 = 13,217.58/x
  3. Step 3: Cross multiply
    17,054.55x = 23,543.78 × 13,217.58
  4. Step 4: Simplify right side
    17,054.55x = 311,191,729.56
  5. Step 5: Solve for x
    x = 311,191,729.56/17,054.55
  6. Step 6: Final answer
    x = 18,246.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.