Home / 19,623.10-29,434.65-11,847.10

Finding the Fourth Proportional to 19,623.10, 29,434.65 and 11,847.10

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Solution

The fourth proportional to 19,623.10, 29,434.65 and 11,847.10 is: 17,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.10 : 29,434.65 = 11,847.10 : x
  2. Step 2: Convert to fraction form
    19,623.10/29,434.65 = 11,847.10/x
  3. Step 3: Cross multiply
    19,623.10x = 29,434.65 × 11,847.10
  4. Step 4: Simplify right side
    19,623.10x = 348,715,242.02
  5. Step 5: Solve for x
    x = 348,715,242.02/19,623.10
  6. Step 6: Final answer
    x = 17,770.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.