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Finding the Fourth Proportional to 18,842.01, 26,001.89 and 10,343.91

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Solution

The fourth proportional to 18,842.01, 26,001.89 and 10,343.91 is: 14,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.01 : 26,001.89 = 10,343.91 : x
  2. Step 2: Convert to fraction form
    18,842.01/26,001.89 = 10,343.91/x
  3. Step 3: Cross multiply
    18,842.01x = 26,001.89 × 10,343.91
  4. Step 4: Simplify right side
    18,842.01x = 268,961,158.27
  5. Step 5: Solve for x
    x = 268,961,158.27/18,842.01
  6. Step 6: Final answer
    x = 14,274.55

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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.