Home / 27,583.20-38,053.80-18,019.80

Finding the Fourth Proportional to 27,583.20, 38,053.80 and 18,019.80

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Solution

The fourth proportional to 27,583.20, 38,053.80 and 18,019.80 is: 24,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,583.20 : 38,053.80 = 18,019.80 : x
  2. Step 2: Convert to fraction form
    27,583.20/38,053.80 = 18,019.80/x
  3. Step 3: Cross multiply
    27,583.20x = 38,053.80 × 18,019.80
  4. Step 4: Simplify right side
    27,583.20x = 685,721,865.24
  5. Step 5: Solve for x
    x = 685,721,865.24/27,583.20
  6. Step 6: Final answer
    x = 24,860.13

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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.