Home / 16,830.94-23,222.96-9,660.42

Finding the Fourth Proportional to 16,830.94, 23,222.96 and 9,660.42

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Solution

The fourth proportional to 16,830.94, 23,222.96 and 9,660.42 is: 13,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.94 : 23,222.96 = 9,660.42 : x
  2. Step 2: Convert to fraction form
    16,830.94/23,222.96 = 9,660.42/x
  3. Step 3: Cross multiply
    16,830.94x = 23,222.96 × 9,660.42
  4. Step 4: Simplify right side
    16,830.94x = 224,343,547.24
  5. Step 5: Solve for x
    x = 224,343,547.24/16,830.94
  6. Step 6: Final answer
    x = 13,329.23

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Half scale
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Double scale
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Similar ratio
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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.