Home / 16,830.76-23,226.18-9,660.52

Finding the Fourth Proportional to 16,830.76, 23,226.18 and 9,660.52

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Solution

The fourth proportional to 16,830.76, 23,226.18 and 9,660.52 is: 13,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.76 : 23,226.18 = 9,660.52 : x
  2. Step 2: Convert to fraction form
    16,830.76/23,226.18 = 9,660.52/x
  3. Step 3: Cross multiply
    16,830.76x = 23,226.18 × 9,660.52
  4. Step 4: Simplify right side
    16,830.76x = 224,376,976.41
  5. Step 5: Solve for x
    x = 224,376,976.41/16,830.76
  6. Step 6: Final answer
    x = 13,331.36

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Half scale
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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.