Home / 19,310.10-26,644.50-11,353.92

Finding the Fourth Proportional to 19,310.10, 26,644.50 and 11,353.92

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Solution

The fourth proportional to 19,310.10, 26,644.50 and 11,353.92 is: 15,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.10 : 26,644.50 = 11,353.92 : x
  2. Step 2: Convert to fraction form
    19,310.10/26,644.50 = 11,353.92/x
  3. Step 3: Cross multiply
    19,310.10x = 26,644.50 × 11,353.92
  4. Step 4: Simplify right side
    19,310.10x = 302,519,521.44
  5. Step 5: Solve for x
    x = 302,519,521.44/19,310.10
  6. Step 6: Final answer
    x = 15,666.39

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Double 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.