Home / 18,350.82-25,300.02-13,242.04

Finding the Fourth Proportional to 18,350.82, 25,300.02 and 13,242.04

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Solution

The fourth proportional to 18,350.82, 25,300.02 and 13,242.04 is: 18,256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.82 : 25,300.02 = 13,242.04 : x
  2. Step 2: Convert to fraction form
    18,350.82/25,300.02 = 13,242.04/x
  3. Step 3: Cross multiply
    18,350.82x = 25,300.02 × 13,242.04
  4. Step 4: Simplify right side
    18,350.82x = 335,023,876.84
  5. Step 5: Solve for x
    x = 335,023,876.84/18,350.82
  6. Step 6: Final answer
    x = 18,256.62

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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.