Home / 13,044.23-18,001.08-7,738.92

Finding the Fourth Proportional to 13,044.23, 18,001.08 and 7,738.92

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Solution

The fourth proportional to 13,044.23, 18,001.08 and 7,738.92 is: 10,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.23 : 18,001.08 = 7,738.92 : x
  2. Step 2: Convert to fraction form
    13,044.23/18,001.08 = 7,738.92/x
  3. Step 3: Cross multiply
    13,044.23x = 18,001.08 × 7,738.92
  4. Step 4: Simplify right side
    13,044.23x = 139,308,918.03
  5. Step 5: Solve for x
    x = 139,308,918.03/13,044.23
  6. Step 6: Final answer
    x = 10,679.74

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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.