Home / 16,842.09-23,242.23-9,288.69

Finding the Fourth Proportional to 16,842.09, 23,242.23 and 9,288.69

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Solution

The fourth proportional to 16,842.09, 23,242.23 and 9,288.69 is: 12,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.09 : 23,242.23 = 9,288.69 : x
  2. Step 2: Convert to fraction form
    16,842.09/23,242.23 = 9,288.69/x
  3. Step 3: Cross multiply
    16,842.09x = 23,242.23 × 9,288.69
  4. Step 4: Simplify right side
    16,842.09x = 215,889,869.38
  5. Step 5: Solve for x
    x = 215,889,869.38/16,842.09
  6. Step 6: Final answer
    x = 12,818.47

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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.