Home / 16,763.06-23,136.36-9,691.76

Finding the Fourth Proportional to 16,763.06, 23,136.36 and 9,691.76

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Solution

The fourth proportional to 16,763.06, 23,136.36 and 9,691.76 is: 13,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,763.06 : 23,136.36 = 9,691.76 : x
  2. Step 2: Convert to fraction form
    16,763.06/23,136.36 = 9,691.76/x
  3. Step 3: Cross multiply
    16,763.06x = 23,136.36 × 9,691.76
  4. Step 4: Simplify right side
    16,763.06x = 224,232,048.39
  5. Step 5: Solve for x
    x = 224,232,048.39/16,763.06
  6. Step 6: Final answer
    x = 13,376.56

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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.