Home / 18,955.65-26,170.97-16,962.75

Finding the Fourth Proportional to 18,955.65, 26,170.97 and 16,962.75

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Solution

The fourth proportional to 18,955.65, 26,170.97 and 16,962.75 is: 23,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.65 : 26,170.97 = 16,962.75 : x
  2. Step 2: Convert to fraction form
    18,955.65/26,170.97 = 16,962.75/x
  3. Step 3: Cross multiply
    18,955.65x = 26,170.97 × 16,962.75
  4. Step 4: Simplify right side
    18,955.65x = 443,931,536.55
  5. Step 5: Solve for x
    x = 443,931,536.55/18,955.65
  6. Step 6: Final answer
    x = 23,419.48

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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.