Home / 18,184.31-25,089.17-10,913.44

Finding the Fourth Proportional to 18,184.31, 25,089.17 and 10,913.44

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Solution

The fourth proportional to 18,184.31, 25,089.17 and 10,913.44 is: 15,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.31 : 25,089.17 = 10,913.44 : x
  2. Step 2: Convert to fraction form
    18,184.31/25,089.17 = 10,913.44/x
  3. Step 3: Cross multiply
    18,184.31x = 25,089.17 × 10,913.44
  4. Step 4: Simplify right side
    18,184.31x = 273,809,159.60
  5. Step 5: Solve for x
    x = 273,809,159.60/18,184.31
  6. Step 6: Final answer
    x = 15,057.44

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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.