Home / 18,621.58-25,703.23-11,073.23

Finding the Fourth Proportional to 18,621.58, 25,703.23 and 11,073.23

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Solution

The fourth proportional to 18,621.58, 25,703.23 and 11,073.23 is: 15,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.58 : 25,703.23 = 11,073.23 : x
  2. Step 2: Convert to fraction form
    18,621.58/25,703.23 = 11,073.23/x
  3. Step 3: Cross multiply
    18,621.58x = 25,703.23 × 11,073.23
  4. Step 4: Simplify right side
    18,621.58x = 284,617,655.91
  5. Step 5: Solve for x
    x = 284,617,655.91/18,621.58
  6. Step 6: Final answer
    x = 15,284.29

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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.