Home / 18,127.26-25,001.19-14,977.98

Finding the Fourth Proportional to 18,127.26, 25,001.19 and 14,977.98

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Solution

The fourth proportional to 18,127.26, 25,001.19 and 14,977.98 is: 20,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.26 : 25,001.19 = 14,977.98 : x
  2. Step 2: Convert to fraction form
    18,127.26/25,001.19 = 14,977.98/x
  3. Step 3: Cross multiply
    18,127.26x = 25,001.19 × 14,977.98
  4. Step 4: Simplify right side
    18,127.26x = 374,467,323.80
  5. Step 5: Solve for x
    x = 374,467,323.80/18,127.26
  6. Step 6: Final answer
    x = 20,657.69

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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.