Home / 18,127.02-25,020.18-11,839.26

Finding the Fourth Proportional to 18,127.02, 25,020.18 and 11,839.26

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Solution

The fourth proportional to 18,127.02, 25,020.18 and 11,839.26 is: 16,341.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.02 : 25,020.18 = 11,839.26 : x
  2. Step 2: Convert to fraction form
    18,127.02/25,020.18 = 11,839.26/x
  3. Step 3: Cross multiply
    18,127.02x = 25,020.18 × 11,839.26
  4. Step 4: Simplify right side
    18,127.02x = 296,220,416.27
  5. Step 5: Solve for x
    x = 296,220,416.27/18,127.02
  6. Step 6: Final answer
    x = 16,341.37

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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.