Home / 16,776.90-23,152.16-9,606.92

Finding the Fourth Proportional to 16,776.90, 23,152.16 and 9,606.92

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Solution

The fourth proportional to 16,776.90, 23,152.16 and 9,606.92 is: 13,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.90 : 23,152.16 = 9,606.92 : x
  2. Step 2: Convert to fraction form
    16,776.90/23,152.16 = 9,606.92/x
  3. Step 3: Cross multiply
    16,776.90x = 23,152.16 × 9,606.92
  4. Step 4: Simplify right side
    16,776.90x = 222,420,900.91
  5. Step 5: Solve for x
    x = 222,420,900.91/16,776.90
  6. Step 6: Final answer
    x = 13,257.57

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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.