Home / 18,400.48-27,592.40-5,249.72

Finding the Fourth Proportional to 18,400.48, 27,592.40 and 5,249.72

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Solution

The fourth proportional to 18,400.48, 27,592.40 and 5,249.72 is: 7,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.48 : 27,592.40 = 5,249.72 : x
  2. Step 2: Convert to fraction form
    18,400.48/27,592.40 = 5,249.72/x
  3. Step 3: Cross multiply
    18,400.48x = 27,592.40 × 5,249.72
  4. Step 4: Simplify right side
    18,400.48x = 144,852,374.13
  5. Step 5: Solve for x
    x = 144,852,374.13/18,400.48
  6. Step 6: Final answer
    x = 7,872.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.