Home / 16,889.98-23,307.16-9,335.86

Finding the Fourth Proportional to 16,889.98, 23,307.16 and 9,335.86

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Solution

The fourth proportional to 16,889.98, 23,307.16 and 9,335.86 is: 12,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.98 : 23,307.16 = 9,335.86 : x
  2. Step 2: Convert to fraction form
    16,889.98/23,307.16 = 9,335.86/x
  3. Step 3: Cross multiply
    16,889.98x = 23,307.16 × 9,335.86
  4. Step 4: Simplify right side
    16,889.98x = 217,592,515.38
  5. Step 5: Solve for x
    x = 217,592,515.38/16,889.98
  6. Step 6: Final answer
    x = 12,882.93

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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.