Home / 13,663.06-18,853.69-10,079.97

Finding the Fourth Proportional to 13,663.06, 18,853.69 and 10,079.97

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Solution

The fourth proportional to 13,663.06, 18,853.69 and 10,079.97 is: 13,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.06 : 18,853.69 = 10,079.97 : x
  2. Step 2: Convert to fraction form
    13,663.06/18,853.69 = 10,079.97/x
  3. Step 3: Cross multiply
    13,663.06x = 18,853.69 × 10,079.97
  4. Step 4: Simplify right side
    13,663.06x = 190,044,629.59
  5. Step 5: Solve for x
    x = 190,044,629.59/13,663.06
  6. Step 6: Final answer
    x = 13,909.38

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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.