Home / 18,223.16-25,122.30-13,751.96

Finding the Fourth Proportional to 18,223.16, 25,122.30 and 13,751.96

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Solution

The fourth proportional to 18,223.16, 25,122.30 and 13,751.96 is: 18,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.16 : 25,122.30 = 13,751.96 : x
  2. Step 2: Convert to fraction form
    18,223.16/25,122.30 = 13,751.96/x
  3. Step 3: Cross multiply
    18,223.16x = 25,122.30 × 13,751.96
  4. Step 4: Simplify right side
    18,223.16x = 345,480,864.71
  5. Step 5: Solve for x
    x = 345,480,864.71/18,223.16
  6. Step 6: Final answer
    x = 18,958.34

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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.