Home / 16,995.48-23,453.92-9,920.52

Finding the Fourth Proportional to 16,995.48, 23,453.92 and 9,920.52

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Solution

The fourth proportional to 16,995.48, 23,453.92 and 9,920.52 is: 13,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.48 : 23,453.92 = 9,920.52 : x
  2. Step 2: Convert to fraction form
    16,995.48/23,453.92 = 9,920.52/x
  3. Step 3: Cross multiply
    16,995.48x = 23,453.92 × 9,920.52
  4. Step 4: Simplify right side
    16,995.48x = 232,675,082.44
  5. Step 5: Solve for x
    x = 232,675,082.44/16,995.48
  6. Step 6: Final answer
    x = 13,690.41

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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.