Home / 18,699.26-28,016.01-16,665.35

Finding the Fourth Proportional to 18,699.26, 28,016.01 and 16,665.35

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Solution

The fourth proportional to 18,699.26, 28,016.01 and 16,665.35 is: 24,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.26 : 28,016.01 = 16,665.35 : x
  2. Step 2: Convert to fraction form
    18,699.26/28,016.01 = 16,665.35/x
  3. Step 3: Cross multiply
    18,699.26x = 28,016.01 × 16,665.35
  4. Step 4: Simplify right side
    18,699.26x = 466,896,472.17
  5. Step 5: Solve for x
    x = 466,896,472.17/18,699.26
  6. Step 6: Final answer
    x = 24,968.72

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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.