Home / 18,225.02-27,275.79-11,209.49

Finding the Fourth Proportional to 18,225.02, 27,275.79 and 11,209.49

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Solution

The fourth proportional to 18,225.02, 27,275.79 and 11,209.49 is: 16,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.02 : 27,275.79 = 11,209.49 : x
  2. Step 2: Convert to fraction form
    18,225.02/27,275.79 = 11,209.49/x
  3. Step 3: Cross multiply
    18,225.02x = 27,275.79 × 11,209.49
  4. Step 4: Simplify right side
    18,225.02x = 305,747,610.01
  5. Step 5: Solve for x
    x = 305,747,610.01/18,225.02
  6. Step 6: Final answer
    x = 16,776.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.