Home / 18,521.04-25,535.61-13,481.22

Finding the Fourth Proportional to 18,521.04, 25,535.61 and 13,481.22

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Solution

The fourth proportional to 18,521.04, 25,535.61 and 13,481.22 is: 18,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.04 : 25,535.61 = 13,481.22 : x
  2. Step 2: Convert to fraction form
    18,521.04/25,535.61 = 13,481.22/x
  3. Step 3: Cross multiply
    18,521.04x = 25,535.61 × 13,481.22
  4. Step 4: Simplify right side
    18,521.04x = 344,251,176.24
  5. Step 5: Solve for x
    x = 344,251,176.24/18,521.04
  6. Step 6: Final answer
    x = 18,587.03

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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.