Home / 18,126.26-24,999.81-14,976.98

Finding the Fourth Proportional to 18,126.26, 24,999.81 and 14,976.98

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Solution

The fourth proportional to 18,126.26, 24,999.81 and 14,976.98 is: 20,656.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.26 : 24,999.81 = 14,976.98 : x
  2. Step 2: Convert to fraction form
    18,126.26/24,999.81 = 14,976.98/x
  3. Step 3: Cross multiply
    18,126.26x = 24,999.81 × 14,976.98
  4. Step 4: Simplify right side
    18,126.26x = 374,421,654.37
  5. Step 5: Solve for x
    x = 374,421,654.37/18,126.26
  6. Step 6: Final answer
    x = 20,656.31

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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.