Home / 18,829.66-25,985.75-11,277.22

Finding the Fourth Proportional to 18,829.66, 25,985.75 and 11,277.22

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Solution

The fourth proportional to 18,829.66, 25,985.75 and 11,277.22 is: 15,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.66 : 25,985.75 = 11,277.22 : x
  2. Step 2: Convert to fraction form
    18,829.66/25,985.75 = 11,277.22/x
  3. Step 3: Cross multiply
    18,829.66x = 25,985.75 × 11,277.22
  4. Step 4: Simplify right side
    18,829.66x = 293,046,963.23
  5. Step 5: Solve for x
    x = 293,046,963.23/18,829.66
  6. Step 6: Final answer
    x = 15,563.05

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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.