Home / 18,623.96-25,698.28-11,070.44

Finding the Fourth Proportional to 18,623.96, 25,698.28 and 11,070.44

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Solution

The fourth proportional to 18,623.96, 25,698.28 and 11,070.44 is: 15,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.96 : 25,698.28 = 11,070.44 : x
  2. Step 2: Convert to fraction form
    18,623.96/25,698.28 = 11,070.44/x
  3. Step 3: Cross multiply
    18,623.96x = 25,698.28 × 11,070.44
  4. Step 4: Simplify right side
    18,623.96x = 284,491,266.84
  5. Step 5: Solve for x
    x = 284,491,266.84/18,623.96
  6. Step 6: Final answer
    x = 15,275.55

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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.