Home / 30,176.62-41,644.01-18,247.93

Finding the Fourth Proportional to 30,176.62, 41,644.01 and 18,247.93

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Solution

The fourth proportional to 30,176.62, 41,644.01 and 18,247.93 is: 25,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176.62 : 41,644.01 = 18,247.93 : x
  2. Step 2: Convert to fraction form
    30,176.62/41,644.01 = 18,247.93/x
  3. Step 3: Cross multiply
    30,176.62x = 41,644.01 × 18,247.93
  4. Step 4: Simplify right side
    30,176.62x = 759,916,979.40
  5. Step 5: Solve for x
    x = 759,916,979.40/30,176.62
  6. Step 6: Final answer
    x = 25,182.31

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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.