Home / 16,764.30-23,136.30-9,690.30

Finding the Fourth Proportional to 16,764.30, 23,136.30 and 9,690.30

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Solution

The fourth proportional to 16,764.30, 23,136.30 and 9,690.30 is: 13,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.30 : 23,136.30 = 9,690.30 : x
  2. Step 2: Convert to fraction form
    16,764.30/23,136.30 = 9,690.30/x
  3. Step 3: Cross multiply
    16,764.30x = 23,136.30 × 9,690.30
  4. Step 4: Simplify right side
    16,764.30x = 224,197,687.89
  5. Step 5: Solve for x
    x = 224,197,687.89/16,764.30
  6. Step 6: Final answer
    x = 13,373.52

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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.